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Finding the Fourth Proportional to 58,307.59, 87,472.47 and 40,371.46

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Solution

The fourth proportional to 58,307.59, 87,472.47 and 40,371.46 is: 60,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,307.59 : 87,472.47 = 40,371.46 : x
  2. Step 2: Convert to fraction form
    58,307.59/87,472.47 = 40,371.46/x
  3. Step 3: Cross multiply
    58,307.59x = 87,472.47 × 40,371.46
  4. Step 4: Simplify right side
    58,307.59x = 3,531,391,323.71
  5. Step 5: Solve for x
    x = 3,531,391,323.71/58,307.59
  6. Step 6: Final answer
    x = 60,564.87

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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.