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Finding the Fourth Proportional to 57,532.50, 79,431.21 and 44,078.76

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Solution

The fourth proportional to 57,532.50, 79,431.21 and 44,078.76 is: 60,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,532.50 : 79,431.21 = 44,078.76 : x
  2. Step 2: Convert to fraction form
    57,532.50/79,431.21 = 44,078.76/x
  3. Step 3: Cross multiply
    57,532.50x = 79,431.21 × 44,078.76
  4. Step 4: Simplify right side
    57,532.50x = 3,501,229,242.10
  5. Step 5: Solve for x
    x = 3,501,229,242.10/57,532.50
  6. Step 6: Final answer
    x = 60,856.55

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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.