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Finding the Fourth Proportional to 8,837.67, 13,255.14 and 8,349.72

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Solution

The fourth proportional to 8,837.67, 13,255.14 and 8,349.72 is: 12,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.67 : 13,255.14 = 8,349.72 : x
  2. Step 2: Convert to fraction form
    8,837.67/13,255.14 = 8,349.72/x
  3. Step 3: Cross multiply
    8,837.67x = 13,255.14 × 8,349.72
  4. Step 4: Simplify right side
    8,837.67x = 110,676,689.17
  5. Step 5: Solve for x
    x = 110,676,689.17/8,837.67
  6. Step 6: Final answer
    x = 12,523.28

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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.