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Finding the Fourth Proportional to 62,412.88, 86,127.96 and 34,117.96

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Solution

The fourth proportional to 62,412.88, 86,127.96 and 34,117.96 is: 47,081.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,412.88 : 86,127.96 = 34,117.96 : x
  2. Step 2: Convert to fraction form
    62,412.88/86,127.96 = 34,117.96/x
  3. Step 3: Cross multiply
    62,412.88x = 86,127.96 × 34,117.96
  4. Step 4: Simplify right side
    62,412.88x = 2,938,510,294.16
  5. Step 5: Solve for x
    x = 2,938,510,294.16/62,412.88
  6. Step 6: Final answer
    x = 47,081.79

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Why These Related Problems?

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