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Finding the Fourth Proportional to 41,057.40, 61,488.90 and 27,838.20

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Solution

The fourth proportional to 41,057.40, 61,488.90 and 27,838.20 is: 41,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,057.40 : 61,488.90 = 27,838.20 : x
  2. Step 2: Convert to fraction form
    41,057.40/61,488.90 = 27,838.20/x
  3. Step 3: Cross multiply
    41,057.40x = 61,488.90 × 27,838.20
  4. Step 4: Simplify right side
    41,057.40x = 1,711,740,295.98
  5. Step 5: Solve for x
    x = 1,711,740,295.98/41,057.40
  6. Step 6: Final answer
    x = 41,691.40

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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.