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Finding the Fourth Proportional to 17,884.68, 24,679.70 and 9,926.90

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Solution

The fourth proportional to 17,884.68, 24,679.70 and 9,926.90 is: 13,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,884.68 : 24,679.70 = 9,926.90 : x
  2. Step 2: Convert to fraction form
    17,884.68/24,679.70 = 9,926.90/x
  3. Step 3: Cross multiply
    17,884.68x = 24,679.70 × 9,926.90
  4. Step 4: Simplify right side
    17,884.68x = 244,992,913.93
  5. Step 5: Solve for x
    x = 244,992,913.93/17,884.68
  6. Step 6: Final answer
    x = 13,698.48

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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.