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Finding the Fourth Proportional to 8,169.31, 12,253.97 and 2,013.31

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Solution

The fourth proportional to 8,169.31, 12,253.97 and 2,013.31 is: 3,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.31 : 12,253.97 = 2,013.31 : x
  2. Step 2: Convert to fraction form
    8,169.31/12,253.97 = 2,013.31/x
  3. Step 3: Cross multiply
    8,169.31x = 12,253.97 × 2,013.31
  4. Step 4: Simplify right side
    8,169.31x = 24,671,068.46
  5. Step 5: Solve for x
    x = 24,671,068.46/8,169.31
  6. Step 6: Final answer
    x = 3,019.97

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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.