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Finding the Fourth Proportional to 17,421.62, 24,041.90 and 10,251.81

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Solution

The fourth proportional to 17,421.62, 24,041.90 and 10,251.81 is: 14,147.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,421.62 : 24,041.90 = 10,251.81 : x
  2. Step 2: Convert to fraction form
    17,421.62/24,041.90 = 10,251.81/x
  3. Step 3: Cross multiply
    17,421.62x = 24,041.90 × 10,251.81
  4. Step 4: Simplify right side
    17,421.62x = 246,472,939.58
  5. Step 5: Solve for x
    x = 246,472,939.58/17,421.62
  6. Step 6: Final answer
    x = 14,147.54

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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.