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Finding the Fourth Proportional to 44,472.60, 66,715.30 and 14,891.80

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Solution

The fourth proportional to 44,472.60, 66,715.30 and 14,891.80 is: 22,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,472.60 : 66,715.30 = 14,891.80 : x
  2. Step 2: Convert to fraction form
    44,472.60/66,715.30 = 14,891.80/x
  3. Step 3: Cross multiply
    44,472.60x = 66,715.30 × 14,891.80
  4. Step 4: Simplify right side
    44,472.60x = 993,510,904.54
  5. Step 5: Solve for x
    x = 993,510,904.54/44,472.60
  6. Step 6: Final answer
    x = 22,339.84

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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.