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Finding the Fourth Proportional to 48,582.99, 72,709.89 and 29,874.88

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Solution

The fourth proportional to 48,582.99, 72,709.89 and 29,874.88 is: 44,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,582.99 : 72,709.89 = 29,874.88 : x
  2. Step 2: Convert to fraction form
    48,582.99/72,709.89 = 29,874.88/x
  3. Step 3: Cross multiply
    48,582.99x = 72,709.89 × 29,874.88
  4. Step 4: Simplify right side
    48,582.99x = 2,172,198,944.76
  5. Step 5: Solve for x
    x = 2,172,198,944.76/48,582.99
  6. Step 6: Final answer
    x = 44,711.10

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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.