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Finding the Fourth Proportional to 24,012.80, 35,986.80 and 13,456.88

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Solution

The fourth proportional to 24,012.80, 35,986.80 and 13,456.88 is: 20,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,012.80 : 35,986.80 = 13,456.88 : x
  2. Step 2: Convert to fraction form
    24,012.80/35,986.80 = 13,456.88/x
  3. Step 3: Cross multiply
    24,012.80x = 35,986.80 × 13,456.88
  4. Step 4: Simplify right side
    24,012.80x = 484,270,049.18
  5. Step 5: Solve for x
    x = 484,270,049.18/24,012.80
  6. Step 6: Final answer
    x = 20,167.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.