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Finding the Fourth Proportional to 41,069.80, 61,604.70 and 38,931.40

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Solution

The fourth proportional to 41,069.80, 61,604.70 and 38,931.40 is: 58,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,069.80 : 61,604.70 = 38,931.40 : x
  2. Step 2: Convert to fraction form
    41,069.80/61,604.70 = 38,931.40/x
  3. Step 3: Cross multiply
    41,069.80x = 61,604.70 × 38,931.40
  4. Step 4: Simplify right side
    41,069.80x = 2,398,357,217.58
  5. Step 5: Solve for x
    x = 2,398,357,217.58/41,069.80
  6. Step 6: Final answer
    x = 58,397.10

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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.