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Finding the Fourth Proportional to 12,345.52, 18,517.08 and 6,797.04

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Solution

The fourth proportional to 12,345.52, 18,517.08 and 6,797.04 is: 10,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345.52 : 18,517.08 = 6,797.04 : x
  2. Step 2: Convert to fraction form
    12,345.52/18,517.08 = 6,797.04/x
  3. Step 3: Cross multiply
    12,345.52x = 18,517.08 × 6,797.04
  4. Step 4: Simplify right side
    12,345.52x = 125,861,333.44
  5. Step 5: Solve for x
    x = 125,861,333.44/12,345.52
  6. Step 6: Final answer
    x = 10,194.90

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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.