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Finding the Fourth Proportional to 44,874.63, 67,312.22 and 13,709.88

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Solution

The fourth proportional to 44,874.63, 67,312.22 and 13,709.88 is: 20,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,874.63 : 67,312.22 = 13,709.88 : x
  2. Step 2: Convert to fraction form
    44,874.63/67,312.22 = 13,709.88/x
  3. Step 3: Cross multiply
    44,874.63x = 67,312.22 × 13,709.88
  4. Step 4: Simplify right side
    44,874.63x = 922,842,390.18
  5. Step 5: Solve for x
    x = 922,842,390.18/44,874.63
  6. Step 6: Final answer
    x = 20,564.90

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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.