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Finding the Fourth Proportional to 41,126.40, 61,651.80 and 41,101.20

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Solution

The fourth proportional to 41,126.40, 61,651.80 and 41,101.20 is: 61,614.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,126.40 : 61,651.80 = 41,101.20 : x
  2. Step 2: Convert to fraction form
    41,126.40/61,651.80 = 41,101.20/x
  3. Step 3: Cross multiply
    41,126.40x = 61,651.80 × 41,101.20
  4. Step 4: Simplify right side
    41,126.40x = 2,533,962,962.16
  5. Step 5: Solve for x
    x = 2,533,962,962.16/41,126.40
  6. Step 6: Final answer
    x = 61,614.02

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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.