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Finding the Fourth Proportional to 62,472.60, 86,212.08 and 34,178.22

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Solution

The fourth proportional to 62,472.60, 86,212.08 and 34,178.22 is: 47,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,472.60 : 86,212.08 = 34,178.22 : x
  2. Step 2: Convert to fraction form
    62,472.60/86,212.08 = 34,178.22/x
  3. Step 3: Cross multiply
    62,472.60x = 86,212.08 × 34,178.22
  4. Step 4: Simplify right side
    62,472.60x = 2,946,575,436.90
  5. Step 5: Solve for x
    x = 2,946,575,436.90/62,472.60
  6. Step 6: Final answer
    x = 47,165.88

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1.5x scale

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.