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Finding the Fourth Proportional to 44,468.80, 66,703.20 and 14,891.20

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Solution

The fourth proportional to 44,468.80, 66,703.20 and 14,891.20 is: 22,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,468.80 : 66,703.20 = 14,891.20 : x
  2. Step 2: Convert to fraction form
    44,468.80/66,703.20 = 14,891.20/x
  3. Step 3: Cross multiply
    44,468.80x = 66,703.20 × 14,891.20
  4. Step 4: Simplify right side
    44,468.80x = 993,290,691.84
  5. Step 5: Solve for x
    x = 993,290,691.84/44,468.80
  6. Step 6: Final answer
    x = 22,336.80

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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.