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Finding the Fourth Proportional to 8,998.44, 12,423.54 and 6,170.52

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Solution

The fourth proportional to 8,998.44, 12,423.54 and 6,170.52 is: 8,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.44 : 12,423.54 = 6,170.52 : x
  2. Step 2: Convert to fraction form
    8,998.44/12,423.54 = 6,170.52/x
  3. Step 3: Cross multiply
    8,998.44x = 12,423.54 × 6,170.52
  4. Step 4: Simplify right side
    8,998.44x = 76,659,702.04
  5. Step 5: Solve for x
    x = 76,659,702.04/8,998.44
  6. Step 6: Final answer
    x = 8,519.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.