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Finding the Fourth Proportional to 44,487.81, 66,731.76 and 16,395.66

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Solution

The fourth proportional to 44,487.81, 66,731.76 and 16,395.66 is: 24,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,487.81 : 66,731.76 = 16,395.66 : x
  2. Step 2: Convert to fraction form
    44,487.81/66,731.76 = 16,395.66/x
  3. Step 3: Cross multiply
    44,487.81x = 66,731.76 × 16,395.66
  4. Step 4: Simplify right side
    44,487.81x = 1,094,111,248.16
  5. Step 5: Solve for x
    x = 1,094,111,248.16/44,487.81
  6. Step 6: Final answer
    x = 24,593.51

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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.