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Finding the Fourth Proportional to 8,610.97, 12,915.26 and 2,369.48

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Solution

The fourth proportional to 8,610.97, 12,915.26 and 2,369.48 is: 3,553.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.97 : 12,915.26 = 2,369.48 : x
  2. Step 2: Convert to fraction form
    8,610.97/12,915.26 = 2,369.48/x
  3. Step 3: Cross multiply
    8,610.97x = 12,915.26 × 2,369.48
  4. Step 4: Simplify right side
    8,610.97x = 30,602,422.38
  5. Step 5: Solve for x
    x = 30,602,422.38/8,610.97
  6. Step 6: Final answer
    x = 3,553.89

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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.