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Finding the Fourth Proportional to 115,591.90, 173,387.85 and 32,485.90

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Solution

The fourth proportional to 115,591.90, 173,387.85 and 32,485.90 is: 48,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,591.90 : 173,387.85 = 32,485.90 : x
  2. Step 2: Convert to fraction form
    115,591.90/173,387.85 = 32,485.90/x
  3. Step 3: Cross multiply
    115,591.90x = 173,387.85 × 32,485.90
  4. Step 4: Simplify right side
    115,591.90x = 5,632,659,922.85
  5. Step 5: Solve for x
    x = 5,632,659,922.85/115,591.90
  6. Step 6: Final answer
    x = 48,728.85

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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.