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Finding the Fourth Proportional to 62,404.40, 93,491.40 and 58,257.20

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Solution

The fourth proportional to 62,404.40, 93,491.40 and 58,257.20 is: 87,278.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,404.40 : 93,491.40 = 58,257.20 : x
  2. Step 2: Convert to fraction form
    62,404.40/93,491.40 = 58,257.20/x
  3. Step 3: Cross multiply
    62,404.40x = 93,491.40 × 58,257.20
  4. Step 4: Simplify right side
    62,404.40x = 5,446,547,188.08
  5. Step 5: Solve for x
    x = 5,446,547,188.08/62,404.40
  6. Step 6: Final answer
    x = 87,278.26

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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.