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Finding the Fourth Proportional to 57,508.65, 79,361.78 and 32,358.15

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Solution

The fourth proportional to 57,508.65, 79,361.78 and 32,358.15 is: 44,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,508.65 : 79,361.78 = 32,358.15 : x
  2. Step 2: Convert to fraction form
    57,508.65/79,361.78 = 32,358.15/x
  3. Step 3: Cross multiply
    57,508.65x = 79,361.78 × 32,358.15
  4. Step 4: Simplify right side
    57,508.65x = 2,568,000,219.72
  5. Step 5: Solve for x
    x = 2,568,000,219.72/57,508.65
  6. Step 6: Final answer
    x = 44,654.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.