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Finding the Fourth Proportional to 74,691.64, 103,125.10 and 52,296.76

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Solution

The fourth proportional to 74,691.64, 103,125.10 and 52,296.76 is: 72,204.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,691.64 : 103,125.10 = 52,296.76 : x
  2. Step 2: Convert to fraction form
    74,691.64/103,125.10 = 52,296.76/x
  3. Step 3: Cross multiply
    74,691.64x = 103,125.10 × 52,296.76
  4. Step 4: Simplify right side
    74,691.64x = 5,393,108,604.68
  5. Step 5: Solve for x
    x = 5,393,108,604.68/74,691.64
  6. Step 6: Final answer
    x = 72,204.98

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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.