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Finding the Fourth Proportional to 47,632.80, 71,449.20 and 32,887.20

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Solution

The fourth proportional to 47,632.80, 71,449.20 and 32,887.20 is: 49,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,632.80 : 71,449.20 = 32,887.20 : x
  2. Step 2: Convert to fraction form
    47,632.80/71,449.20 = 32,887.20/x
  3. Step 3: Cross multiply
    47,632.80x = 71,449.20 × 32,887.20
  4. Step 4: Simplify right side
    47,632.80x = 2,349,764,130.24
  5. Step 5: Solve for x
    x = 2,349,764,130.24/47,632.80
  6. Step 6: Final answer
    x = 49,330.80

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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.