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Finding the Fourth Proportional to 57,305.92, 79,085.28 and 32,154.88

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Solution

The fourth proportional to 57,305.92, 79,085.28 and 32,154.88 is: 44,375.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,305.92 : 79,085.28 = 32,154.88 : x
  2. Step 2: Convert to fraction form
    57,305.92/79,085.28 = 32,154.88/x
  3. Step 3: Cross multiply
    57,305.92x = 79,085.28 × 32,154.88
  4. Step 4: Simplify right side
    57,305.92x = 2,542,977,688.17
  5. Step 5: Solve for x
    x = 2,542,977,688.17/57,305.92
  6. Step 6: Final answer
    x = 44,375.48

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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.