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Finding the Fourth Proportional to 41,073.28, 61,318.16 and 39,615.28

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Solution

The fourth proportional to 41,073.28, 61,318.16 and 39,615.28 is: 59,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,073.28 : 61,318.16 = 39,615.28 : x
  2. Step 2: Convert to fraction form
    41,073.28/61,318.16 = 39,615.28/x
  3. Step 3: Cross multiply
    41,073.28x = 61,318.16 × 39,615.28
  4. Step 4: Simplify right side
    41,073.28x = 2,429,136,077.48
  5. Step 5: Solve for x
    x = 2,429,136,077.48/41,073.28
  6. Step 6: Final answer
    x = 59,141.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.