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Finding the Fourth Proportional to 62,170.97, 85,793.26 and 35,313.40

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Solution

The fourth proportional to 62,170.97, 85,793.26 and 35,313.40 is: 48,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,170.97 : 85,793.26 = 35,313.40 : x
  2. Step 2: Convert to fraction form
    62,170.97/85,793.26 = 35,313.40/x
  3. Step 3: Cross multiply
    62,170.97x = 85,793.26 × 35,313.40
  4. Step 4: Simplify right side
    62,170.97x = 3,029,651,102.15
  5. Step 5: Solve for x
    x = 3,029,651,102.15/62,170.97
  6. Step 6: Final answer
    x = 48,730.96

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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.