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Finding the Fourth Proportional to 44,480.91, 66,705.18 and 14,891.71

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Solution

The fourth proportional to 44,480.91, 66,705.18 and 14,891.71 is: 22,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,480.91 : 66,705.18 = 14,891.71 : x
  2. Step 2: Convert to fraction form
    44,480.91/66,705.18 = 14,891.71/x
  3. Step 3: Cross multiply
    44,480.91x = 66,705.18 × 14,891.71
  4. Step 4: Simplify right side
    44,480.91x = 993,354,196.06
  5. Step 5: Solve for x
    x = 993,354,196.06/44,480.91
  6. Step 6: Final answer
    x = 22,332.15

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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.