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Finding the Fourth Proportional to 57,722.89, 79,656.80 and 32,229.64

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Solution

The fourth proportional to 57,722.89, 79,656.80 and 32,229.64 is: 44,476.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,722.89 : 79,656.80 = 32,229.64 : x
  2. Step 2: Convert to fraction form
    57,722.89/79,656.80 = 32,229.64/x
  3. Step 3: Cross multiply
    57,722.89x = 79,656.80 × 32,229.64
  4. Step 4: Simplify right side
    57,722.89x = 2,567,309,987.55
  5. Step 5: Solve for x
    x = 2,567,309,987.55/57,722.89
  6. Step 6: Final answer
    x = 44,476.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.