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Finding the Fourth Proportional to 8,179.52, 12,164.74 and 8,092.04

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Solution

The fourth proportional to 8,179.52, 12,164.74 and 8,092.04 is: 12,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.52 : 12,164.74 = 8,092.04 : x
  2. Step 2: Convert to fraction form
    8,179.52/12,164.74 = 8,092.04/x
  3. Step 3: Cross multiply
    8,179.52x = 12,164.74 × 8,092.04
  4. Step 4: Simplify right side
    8,179.52x = 98,437,562.67
  5. Step 5: Solve for x
    x = 98,437,562.67/8,179.52
  6. Step 6: Final answer
    x = 12,034.64

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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.