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Finding the Fourth Proportional to 18,293.52, 25,245.14 and 9,910.02

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Solution

The fourth proportional to 18,293.52, 25,245.14 and 9,910.02 is: 13,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.52 : 25,245.14 = 9,910.02 : x
  2. Step 2: Convert to fraction form
    18,293.52/25,245.14 = 9,910.02/x
  3. Step 3: Cross multiply
    18,293.52x = 25,245.14 × 9,910.02
  4. Step 4: Simplify right side
    18,293.52x = 250,179,792.75
  5. Step 5: Solve for x
    x = 250,179,792.75/18,293.52
  6. Step 6: Final answer
    x = 13,675.87

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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.