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Finding the Fourth Proportional to 17,713.30, 26,569.95 and 12,183.70

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Solution

The fourth proportional to 17,713.30, 26,569.95 and 12,183.70 is: 18,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,713.30 : 26,569.95 = 12,183.70 : x
  2. Step 2: Convert to fraction form
    17,713.30/26,569.95 = 12,183.70/x
  3. Step 3: Cross multiply
    17,713.30x = 26,569.95 × 12,183.70
  4. Step 4: Simplify right side
    17,713.30x = 323,720,299.82
  5. Step 5: Solve for x
    x = 323,720,299.82/17,713.30
  6. Step 6: Final answer
    x = 18,275.55

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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.