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Finding the Fourth Proportional to 62,411.62, 86,128.06 and 34,117.30

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Solution

The fourth proportional to 62,411.62, 86,128.06 and 34,117.30 is: 47,081.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,411.62 : 86,128.06 = 34,117.30 : x
  2. Step 2: Convert to fraction form
    62,411.62/86,128.06 = 34,117.30/x
  3. Step 3: Cross multiply
    62,411.62x = 86,128.06 × 34,117.30
  4. Step 4: Simplify right side
    62,411.62x = 2,938,456,861.44
  5. Step 5: Solve for x
    x = 2,938,456,861.44/62,411.62
  6. Step 6: Final answer
    x = 47,081.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.