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Finding the Fourth Proportional to 41,061.20, 61,627.80 and 24,400.40

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Solution

The fourth proportional to 41,061.20, 61,627.80 and 24,400.40 is: 36,621.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,061.20 : 61,627.80 = 24,400.40 : x
  2. Step 2: Convert to fraction form
    41,061.20/61,627.80 = 24,400.40/x
  3. Step 3: Cross multiply
    41,061.20x = 61,627.80 × 24,400.40
  4. Step 4: Simplify right side
    41,061.20x = 1,503,742,971.12
  5. Step 5: Solve for x
    x = 1,503,742,971.12/41,061.20
  6. Step 6: Final answer
    x = 36,621.99

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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.