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Finding the Fourth Proportional to 8,372.26, 12,498.48 and 8,080.08

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Solution

The fourth proportional to 8,372.26, 12,498.48 and 8,080.08 is: 12,062.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.26 : 12,498.48 = 8,080.08 : x
  2. Step 2: Convert to fraction form
    8,372.26/12,498.48 = 8,080.08/x
  3. Step 3: Cross multiply
    8,372.26x = 12,498.48 × 8,080.08
  4. Step 4: Simplify right side
    8,372.26x = 100,988,683.84
  5. Step 5: Solve for x
    x = 100,988,683.84/8,372.26
  6. Step 6: Final answer
    x = 12,062.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.