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Finding the Fourth Proportional to 44,876.64, 67,315.22 and 13,711.88

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Solution

The fourth proportional to 44,876.64, 67,315.22 and 13,711.88 is: 20,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,876.64 : 67,315.22 = 13,711.88 : x
  2. Step 2: Convert to fraction form
    44,876.64/67,315.22 = 13,711.88/x
  3. Step 3: Cross multiply
    44,876.64x = 67,315.22 × 13,711.88
  4. Step 4: Simplify right side
    44,876.64x = 923,018,218.81
  5. Step 5: Solve for x
    x = 923,018,218.81/44,876.64
  6. Step 6: Final answer
    x = 20,567.90

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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.