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Finding the Fourth Proportional to 57,767.67, 79,719.30 and 32,617.17

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Solution

The fourth proportional to 57,767.67, 79,719.30 and 32,617.17 is: 45,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,767.67 : 79,719.30 = 32,617.17 : x
  2. Step 2: Convert to fraction form
    57,767.67/79,719.30 = 32,617.17/x
  3. Step 3: Cross multiply
    57,767.67x = 79,719.30 × 32,617.17
  4. Step 4: Simplify right side
    57,767.67x = 2,600,217,960.38
  5. Step 5: Solve for x
    x = 2,600,217,960.38/57,767.67
  6. Step 6: Final answer
    x = 45,011.65

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1.5x scale

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.