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Finding the Fourth Proportional to 41,197.40, 61,853.70 and 25,645.40

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Solution

The fourth proportional to 41,197.40, 61,853.70 and 25,645.40 is: 38,503.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,197.40 : 61,853.70 = 25,645.40 : x
  2. Step 2: Convert to fraction form
    41,197.40/61,853.70 = 25,645.40/x
  3. Step 3: Cross multiply
    41,197.40x = 61,853.70 × 25,645.40
  4. Step 4: Simplify right side
    41,197.40x = 1,586,262,877.98
  5. Step 5: Solve for x
    x = 1,586,262,877.98/41,197.40
  6. Step 6: Final answer
    x = 38,503.96

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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.