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Finding the Fourth Proportional to 62,372.79, 86,074.74 and 34,079.13

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Solution

The fourth proportional to 62,372.79, 86,074.74 and 34,079.13 is: 47,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,372.79 : 86,074.74 = 34,079.13 : x
  2. Step 2: Convert to fraction form
    62,372.79/86,074.74 = 34,079.13/x
  3. Step 3: Cross multiply
    62,372.79x = 86,074.74 × 34,079.13
  4. Step 4: Simplify right side
    62,372.79x = 2,933,352,254.18
  5. Step 5: Solve for x
    x = 2,933,352,254.18/62,372.79
  6. Step 6: Final answer
    x = 47,029.36

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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.