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Finding the Fourth Proportional to 57,353.81, 85,892.28 and 34,491.91

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Solution

The fourth proportional to 57,353.81, 85,892.28 and 34,491.91 is: 51,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,353.81 : 85,892.28 = 34,491.91 : x
  2. Step 2: Convert to fraction form
    57,353.81/85,892.28 = 34,491.91/x
  3. Step 3: Cross multiply
    57,353.81x = 85,892.28 × 34,491.91
  4. Step 4: Simplify right side
    57,353.81x = 2,962,589,006.19
  5. Step 5: Solve for x
    x = 2,962,589,006.19/57,353.81
  6. Step 6: Final answer
    x = 51,654.62

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1.5x scale

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.