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Finding the Fourth Proportional to 44,809.68, 67,212.09 and 13,642.50

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Solution

The fourth proportional to 44,809.68, 67,212.09 and 13,642.50 is: 20,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,809.68 : 67,212.09 = 13,642.50 : x
  2. Step 2: Convert to fraction form
    44,809.68/67,212.09 = 13,642.50/x
  3. Step 3: Cross multiply
    44,809.68x = 67,212.09 × 13,642.50
  4. Step 4: Simplify right side
    44,809.68x = 916,940,937.83
  5. Step 5: Solve for x
    x = 916,940,937.83/44,809.68
  6. Step 6: Final answer
    x = 20,463.01

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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.