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Finding the Fourth Proportional to 57,734.70, 80,631.75 and 57,734.70

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Solution

The fourth proportional to 57,734.70, 80,631.75 and 57,734.70 is: 80,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,734.70 : 80,631.75 = 57,734.70 : x
  2. Step 2: Convert to fraction form
    57,734.70/80,631.75 = 57,734.70/x
  3. Step 3: Cross multiply
    57,734.70x = 80,631.75 × 57,734.70
  4. Step 4: Simplify right side
    57,734.70x = 4,655,249,896.73
  5. Step 5: Solve for x
    x = 4,655,249,896.73/57,734.70
  6. Step 6: Final answer
    x = 80,631.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.