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Finding the Fourth Proportional to 62,410.41, 86,101.88 and 38,495.43

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Solution

The fourth proportional to 62,410.41, 86,101.88 and 38,495.43 is: 53,108.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,410.41 : 86,101.88 = 38,495.43 : x
  2. Step 2: Convert to fraction form
    62,410.41/86,101.88 = 38,495.43/x
  3. Step 3: Cross multiply
    62,410.41x = 86,101.88 × 38,495.43
  4. Step 4: Simplify right side
    62,410.41x = 3,314,528,701.93
  5. Step 5: Solve for x
    x = 3,314,528,701.93/62,410.41
  6. Step 6: Final answer
    x = 53,108.59

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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.