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Finding the Fourth Proportional to 17,008.60, 25,464.30 and 10,447.60

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Solution

The fourth proportional to 17,008.60, 25,464.30 and 10,447.60 is: 15,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,008.60 : 25,464.30 = 10,447.60 : x
  2. Step 2: Convert to fraction form
    17,008.60/25,464.30 = 10,447.60/x
  3. Step 3: Cross multiply
    17,008.60x = 25,464.30 × 10,447.60
  4. Step 4: Simplify right side
    17,008.60x = 266,040,820.68
  5. Step 5: Solve for x
    x = 266,040,820.68/17,008.60
  6. Step 6: Final answer
    x = 15,641.55

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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.