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Finding the Fourth Proportional to 12,600.24, 17,394.12 and 9,243.24

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Solution

The fourth proportional to 12,600.24, 17,394.12 and 9,243.24 is: 12,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.24 : 17,394.12 = 9,243.24 : x
  2. Step 2: Convert to fraction form
    12,600.24/17,394.12 = 9,243.24/x
  3. Step 3: Cross multiply
    12,600.24x = 17,394.12 × 9,243.24
  4. Step 4: Simplify right side
    12,600.24x = 160,778,025.75
  5. Step 5: Solve for x
    x = 160,778,025.75/12,600.24
  6. Step 6: Final answer
    x = 12,759.92

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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.