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Finding the Fourth Proportional to 7,267,228.20, 10,900,842.30 and 7,267,228.20

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Solution

The fourth proportional to 7,267,228.20, 10,900,842.30 and 7,267,228.20 is: 10,900,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267,228.20 : 10,900,842.30 = 7,267,228.20 : x
  2. Step 2: Convert to fraction form
    7,267,228.20/10,900,842.30 = 7,267,228.20/x
  3. Step 3: Cross multiply
    7,267,228.20x = 10,900,842.30 × 7,267,228.20
  4. Step 4: Simplify right side
    7,267,228.20x = 79,218,908,566,312.88
  5. Step 5: Solve for x
    x = 79,218,908,566,312.88/7,267,228.20
  6. Step 6: Final answer
    x = 10,900,842.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.