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Finding the Fourth Proportional to 57,885.28, 79,885.97 and 32,394.20

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Solution

The fourth proportional to 57,885.28, 79,885.97 and 32,394.20 is: 44,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,885.28 : 79,885.97 = 32,394.20 : x
  2. Step 2: Convert to fraction form
    57,885.28/79,885.97 = 32,394.20/x
  3. Step 3: Cross multiply
    57,885.28x = 79,885.97 × 32,394.20
  4. Step 4: Simplify right side
    57,885.28x = 2,587,841,770.93
  5. Step 5: Solve for x
    x = 2,587,841,770.93/57,885.28
  6. Step 6: Final answer
    x = 44,706.39

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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.