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Finding the Fourth Proportional to 18,266.92, 25,200.12 and 10,713.70

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Solution

The fourth proportional to 18,266.92, 25,200.12 and 10,713.70 is: 14,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.92 : 25,200.12 = 10,713.70 : x
  2. Step 2: Convert to fraction form
    18,266.92/25,200.12 = 10,713.70/x
  3. Step 3: Cross multiply
    18,266.92x = 25,200.12 × 10,713.70
  4. Step 4: Simplify right side
    18,266.92x = 269,986,525.64
  5. Step 5: Solve for x
    x = 269,986,525.64/18,266.92
  6. Step 6: Final answer
    x = 14,780.08

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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.