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Finding the Fourth Proportional to 41,187.40, 61,838.70 and 25,635.40

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Solution

The fourth proportional to 41,187.40, 61,838.70 and 25,635.40 is: 38,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,187.40 : 61,838.70 = 25,635.40 : x
  2. Step 2: Convert to fraction form
    41,187.40/61,838.70 = 25,635.40/x
  3. Step 3: Cross multiply
    41,187.40x = 61,838.70 × 25,635.40
  4. Step 4: Simplify right side
    41,187.40x = 1,585,259,809.98
  5. Step 5: Solve for x
    x = 1,585,259,809.98/41,187.40
  6. Step 6: Final answer
    x = 38,488.95

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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.