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Finding the Fourth Proportional to 8,841.78, 13,249.32 and 8,008.26

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Solution

The fourth proportional to 8,841.78, 13,249.32 and 8,008.26 is: 12,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.78 : 13,249.32 = 8,008.26 : x
  2. Step 2: Convert to fraction form
    8,841.78/13,249.32 = 8,008.26/x
  3. Step 3: Cross multiply
    8,841.78x = 13,249.32 × 8,008.26
  4. Step 4: Simplify right side
    8,841.78x = 106,103,999.38
  5. Step 5: Solve for x
    x = 106,103,999.38/8,841.78
  6. Step 6: Final answer
    x = 12,000.30

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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.