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Finding the Fourth Proportional to 44,451, 66,687.12 and 13,287.24

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Solution

The fourth proportional to 44,451, 66,687.12 and 13,287.24 is: 19,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,451 : 66,687.12 = 13,287.24 : x
  2. Step 2: Convert to fraction form
    44,451/66,687.12 = 13,287.24/x
  3. Step 3: Cross multiply
    44,451x = 66,687.12 × 13,287.24
  4. Step 4: Simplify right side
    44,451x = 886,087,768.35
  5. Step 5: Solve for x
    x = 886,087,768.35/44,451
  6. Step 6: Final answer
    x = 19,934.03

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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.