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Finding the Fourth Proportional to 12,053.87, 18,049.65 and 8,317.16

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Solution

The fourth proportional to 12,053.87, 18,049.65 and 8,317.16 is: 12,454.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,053.87 : 18,049.65 = 8,317.16 : x
  2. Step 2: Convert to fraction form
    12,053.87/18,049.65 = 8,317.16/x
  3. Step 3: Cross multiply
    12,053.87x = 18,049.65 × 8,317.16
  4. Step 4: Simplify right side
    12,053.87x = 150,121,826.99
  5. Step 5: Solve for x
    x = 150,121,826.99/12,053.87
  6. Step 6: Final answer
    x = 12,454.24

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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.