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Finding the Fourth Proportional to 8,352.67, 12,541.56 and 7,951.42

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Solution

The fourth proportional to 8,352.67, 12,541.56 and 7,951.42 is: 11,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.67 : 12,541.56 = 7,951.42 : x
  2. Step 2: Convert to fraction form
    8,352.67/12,541.56 = 7,951.42/x
  3. Step 3: Cross multiply
    8,352.67x = 12,541.56 × 7,951.42
  4. Step 4: Simplify right side
    8,352.67x = 99,723,211.02
  5. Step 5: Solve for x
    x = 99,723,211.02/8,352.67
  6. Step 6: Final answer
    x = 11,939.08

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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.