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Finding the Fourth Proportional to 60,861.20, 91,291.80 and 32,867.60

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Solution

The fourth proportional to 60,861.20, 91,291.80 and 32,867.60 is: 49,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,861.20 : 91,291.80 = 32,867.60 : x
  2. Step 2: Convert to fraction form
    60,861.20/91,291.80 = 32,867.60/x
  3. Step 3: Cross multiply
    60,861.20x = 91,291.80 × 32,867.60
  4. Step 4: Simplify right side
    60,861.20x = 3,000,542,365.68
  5. Step 5: Solve for x
    x = 3,000,542,365.68/60,861.20
  6. Step 6: Final answer
    x = 49,301.40

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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.