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Finding the Fourth Proportional to 72,282.20, 108,350.40 and 32,867.60

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Solution

The fourth proportional to 72,282.20, 108,350.40 and 32,867.60 is: 49,268.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,282.20 : 108,350.40 = 32,867.60 : x
  2. Step 2: Convert to fraction form
    72,282.20/108,350.40 = 32,867.60/x
  3. Step 3: Cross multiply
    72,282.20x = 108,350.40 × 32,867.60
  4. Step 4: Simplify right side
    72,282.20x = 3,561,217,607.04
  5. Step 5: Solve for x
    x = 3,561,217,607.04/72,282.20
  6. Step 6: Final answer
    x = 49,268.25

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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.