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Finding the Fourth Proportional to 115,591.50, 173,387.25 and 32,485.50

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Solution

The fourth proportional to 115,591.50, 173,387.25 and 32,485.50 is: 48,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,591.50 : 173,387.25 = 32,485.50 : x
  2. Step 2: Convert to fraction form
    115,591.50/173,387.25 = 32,485.50/x
  3. Step 3: Cross multiply
    115,591.50x = 173,387.25 × 32,485.50
  4. Step 4: Simplify right side
    115,591.50x = 5,632,571,509.88
  5. Step 5: Solve for x
    x = 5,632,571,509.88/115,591.50
  6. Step 6: Final answer
    x = 48,728.25

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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.