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Finding the Fourth Proportional to 57,365.80, 85,951.60 and 35,132.74

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Solution

The fourth proportional to 57,365.80, 85,951.60 and 35,132.74 is: 52,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,365.80 : 85,951.60 = 35,132.74 : x
  2. Step 2: Convert to fraction form
    57,365.80/85,951.60 = 35,132.74/x
  3. Step 3: Cross multiply
    57,365.80x = 85,951.60 × 35,132.74
  4. Step 4: Simplify right side
    57,365.80x = 3,019,715,215.38
  5. Step 5: Solve for x
    x = 3,019,715,215.38/57,365.80
  6. Step 6: Final answer
    x = 52,639.64

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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.