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Finding the Fourth Proportional to 57,896.70, 79,898.88 and 32,402.85

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Solution

The fourth proportional to 57,896.70, 79,898.88 and 32,402.85 is: 44,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,896.70 : 79,898.88 = 32,402.85 : x
  2. Step 2: Convert to fraction form
    57,896.70/79,898.88 = 32,402.85/x
  3. Step 3: Cross multiply
    57,896.70x = 79,898.88 × 32,402.85
  4. Step 4: Simplify right side
    57,896.70x = 2,588,951,423.81
  5. Step 5: Solve for x
    x = 2,588,951,423.81/57,896.70
  6. Step 6: Final answer
    x = 44,716.74

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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.