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Finding the Fourth Proportional to 29,476.38, 44,145.90 and 21,559.11

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Solution

The fourth proportional to 29,476.38, 44,145.90 and 21,559.11 is: 32,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,476.38 : 44,145.90 = 21,559.11 : x
  2. Step 2: Convert to fraction form
    29,476.38/44,145.90 = 21,559.11/x
  3. Step 3: Cross multiply
    29,476.38x = 44,145.90 × 21,559.11
  4. Step 4: Simplify right side
    29,476.38x = 951,746,314.15
  5. Step 5: Solve for x
    x = 951,746,314.15/29,476.38
  6. Step 6: Final answer
    x = 32,288.44

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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.