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Finding the Fourth Proportional to 69,062.60, 103,517.10 and 37,920.20

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Solution

The fourth proportional to 69,062.60, 103,517.10 and 37,920.20 is: 56,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,062.60 : 103,517.10 = 37,920.20 : x
  2. Step 2: Convert to fraction form
    69,062.60/103,517.10 = 37,920.20/x
  3. Step 3: Cross multiply
    69,062.60x = 103,517.10 × 37,920.20
  4. Step 4: Simplify right side
    69,062.60x = 3,925,389,135.42
  5. Step 5: Solve for x
    x = 3,925,389,135.42/69,062.60
  6. Step 6: Final answer
    x = 56,838.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.