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Finding the Fourth Proportional to 7,228.30, 10,842.30 and 3,332.71

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Solution

The fourth proportional to 7,228.30, 10,842.30 and 3,332.71 is: 4,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.30 : 10,842.30 = 3,332.71 : x
  2. Step 2: Convert to fraction form
    7,228.30/10,842.30 = 3,332.71/x
  3. Step 3: Cross multiply
    7,228.30x = 10,842.30 × 3,332.71
  4. Step 4: Simplify right side
    7,228.30x = 36,134,241.63
  5. Step 5: Solve for x
    x = 36,134,241.63/7,228.30
  6. Step 6: Final answer
    x = 4,999.00

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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.