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Finding the Fourth Proportional to 18,552.52, 27,819.98 and 10,763.72

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Solution

The fourth proportional to 18,552.52, 27,819.98 and 10,763.72 is: 16,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.52 : 27,819.98 = 10,763.72 : x
  2. Step 2: Convert to fraction form
    18,552.52/27,819.98 = 10,763.72/x
  3. Step 3: Cross multiply
    18,552.52x = 27,819.98 × 10,763.72
  4. Step 4: Simplify right side
    18,552.52x = 299,446,475.13
  5. Step 5: Solve for x
    x = 299,446,475.13/18,552.52
  6. Step 6: Final answer
    x = 16,140.47

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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.