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Finding the Fourth Proportional to 44,309.20, 66,463.80 and 25,646.80

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Solution

The fourth proportional to 44,309.20, 66,463.80 and 25,646.80 is: 38,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,309.20 : 66,463.80 = 25,646.80 : x
  2. Step 2: Convert to fraction form
    44,309.20/66,463.80 = 25,646.80/x
  3. Step 3: Cross multiply
    44,309.20x = 66,463.80 × 25,646.80
  4. Step 4: Simplify right side
    44,309.20x = 1,704,583,785.84
  5. Step 5: Solve for x
    x = 1,704,583,785.84/44,309.20
  6. Step 6: Final answer
    x = 38,470.20

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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.