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Finding the Fourth Proportional to 4,842.70, 7,264.05 and 4,551.10

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Solution

The fourth proportional to 4,842.70, 7,264.05 and 4,551.10 is: 6,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.70 : 7,264.05 = 4,551.10 : x
  2. Step 2: Convert to fraction form
    4,842.70/7,264.05 = 4,551.10/x
  3. Step 3: Cross multiply
    4,842.70x = 7,264.05 × 4,551.10
  4. Step 4: Simplify right side
    4,842.70x = 33,059,417.96
  5. Step 5: Solve for x
    x = 33,059,417.96/4,842.70
  6. Step 6: Final answer
    x = 6,826.65

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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.