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Finding the Fourth Proportional to 57,151.60, 78,866.94 and 32,000.56

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Solution

The fourth proportional to 57,151.60, 78,866.94 and 32,000.56 is: 44,159.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,151.60 : 78,866.94 = 32,000.56 : x
  2. Step 2: Convert to fraction form
    57,151.60/78,866.94 = 32,000.56/x
  3. Step 3: Cross multiply
    57,151.60x = 78,866.94 × 32,000.56
  4. Step 4: Simplify right side
    57,151.60x = 2,523,786,245.49
  5. Step 5: Solve for x
    x = 2,523,786,245.49/57,151.60
  6. Step 6: Final answer
    x = 44,159.50

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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.