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Finding the Fourth Proportional to 12,053.99, 18,049.84 and 8,317.29

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Solution

The fourth proportional to 12,053.99, 18,049.84 and 8,317.29 is: 12,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,053.99 : 18,049.84 = 8,317.29 : x
  2. Step 2: Convert to fraction form
    12,053.99/18,049.84 = 8,317.29/x
  3. Step 3: Cross multiply
    12,053.99x = 18,049.84 × 8,317.29
  4. Step 4: Simplify right side
    12,053.99x = 150,125,800.63
  5. Step 5: Solve for x
    x = 150,125,800.63/12,053.99
  6. Step 6: Final answer
    x = 12,454.45

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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.