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Finding the Fourth Proportional to 62,287.45, 93,319.80 and 37,899.70

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Solution

The fourth proportional to 62,287.45, 93,319.80 and 37,899.70 is: 56,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,287.45 : 93,319.80 = 37,899.70 : x
  2. Step 2: Convert to fraction form
    62,287.45/93,319.80 = 37,899.70/x
  3. Step 3: Cross multiply
    62,287.45x = 93,319.80 × 37,899.70
  4. Step 4: Simplify right side
    62,287.45x = 3,536,792,424.06
  5. Step 5: Solve for x
    x = 3,536,792,424.06/62,287.45
  6. Step 6: Final answer
    x = 56,781.78

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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.