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Finding the Fourth Proportional to 18,005.77, 24,849.21 and 10,049.56

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Solution

The fourth proportional to 18,005.77, 24,849.21 and 10,049.56 is: 13,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.77 : 24,849.21 = 10,049.56 : x
  2. Step 2: Convert to fraction form
    18,005.77/24,849.21 = 10,049.56/x
  3. Step 3: Cross multiply
    18,005.77x = 24,849.21 × 10,049.56
  4. Step 4: Simplify right side
    18,005.77x = 249,723,626.85
  5. Step 5: Solve for x
    x = 249,723,626.85/18,005.77
  6. Step 6: Final answer
    x = 13,869.09

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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.