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Finding the Fourth Proportional to 24,992.40, 34,489.64 and 13,662.12

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Solution

The fourth proportional to 24,992.40, 34,489.64 and 13,662.12 is: 18,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,992.40 : 34,489.64 = 13,662.12 : x
  2. Step 2: Convert to fraction form
    24,992.40/34,489.64 = 13,662.12/x
  3. Step 3: Cross multiply
    24,992.40x = 34,489.64 × 13,662.12
  4. Step 4: Simplify right side
    24,992.40x = 471,201,600.44
  5. Step 5: Solve for x
    x = 471,201,600.44/24,992.40
  6. Step 6: Final answer
    x = 18,853.80

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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.