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Finding the Fourth Proportional to 18,064.99, 24,926.13 and 10,105.68

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Solution

The fourth proportional to 18,064.99, 24,926.13 and 10,105.68 is: 13,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.99 : 24,926.13 = 10,105.68 : x
  2. Step 2: Convert to fraction form
    18,064.99/24,926.13 = 10,105.68/x
  3. Step 3: Cross multiply
    18,064.99x = 24,926.13 × 10,105.68
  4. Step 4: Simplify right side
    18,064.99x = 251,895,493.42
  5. Step 5: Solve for x
    x = 251,895,493.42/18,064.99
  6. Step 6: Final answer
    x = 13,943.85

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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.