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Finding the Fourth Proportional to 41,008.60, 61,403.55 and 41,008.60

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Solution

The fourth proportional to 41,008.60, 61,403.55 and 41,008.60 is: 61,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,008.60 : 61,403.55 = 41,008.60 : x
  2. Step 2: Convert to fraction form
    41,008.60/61,403.55 = 41,008.60/x
  3. Step 3: Cross multiply
    41,008.60x = 61,403.55 × 41,008.60
  4. Step 4: Simplify right side
    41,008.60x = 2,518,073,620.53
  5. Step 5: Solve for x
    x = 2,518,073,620.53/41,008.60
  6. Step 6: Final answer
    x = 61,403.55

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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.