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Finding the Fourth Proportional to 7,434.48, 11,139.48 and 3,732.96

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Solution

The fourth proportional to 7,434.48, 11,139.48 and 3,732.96 is: 5,593.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.48 : 11,139.48 = 3,732.96 : x
  2. Step 2: Convert to fraction form
    7,434.48/11,139.48 = 3,732.96/x
  3. Step 3: Cross multiply
    7,434.48x = 11,139.48 × 3,732.96
  4. Step 4: Simplify right side
    7,434.48x = 41,583,233.26
  5. Step 5: Solve for x
    x = 41,583,233.26/7,434.48
  6. Step 6: Final answer
    x = 5,593.29

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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.