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Finding the Fourth Proportional to 44,379.68, 66,582.16 and 14,816.88

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Solution

The fourth proportional to 44,379.68, 66,582.16 and 14,816.88 is: 22,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,379.68 : 66,582.16 = 14,816.88 : x
  2. Step 2: Convert to fraction form
    44,379.68/66,582.16 = 14,816.88/x
  3. Step 3: Cross multiply
    44,379.68x = 66,582.16 × 14,816.88
  4. Step 4: Simplify right side
    44,379.68x = 986,539,874.86
  5. Step 5: Solve for x
    x = 986,539,874.86/44,379.68
  6. Step 6: Final answer
    x = 22,229.54

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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.