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Finding the Fourth Proportional to 57,294.80, 85,932.28 and 15,732.08

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Solution

The fourth proportional to 57,294.80, 85,932.28 and 15,732.08 is: 23,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,294.80 : 85,932.28 = 15,732.08 : x
  2. Step 2: Convert to fraction form
    57,294.80/85,932.28 = 15,732.08/x
  3. Step 3: Cross multiply
    57,294.80x = 85,932.28 × 15,732.08
  4. Step 4: Simplify right side
    57,294.80x = 1,351,893,503.54
  5. Step 5: Solve for x
    x = 1,351,893,503.54/57,294.80
  6. Step 6: Final answer
    x = 23,595.40

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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.