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Finding the Fourth Proportional to 17,241.60, 25,862.40 and 8,474.70

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Solution

The fourth proportional to 17,241.60, 25,862.40 and 8,474.70 is: 12,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,241.60 : 25,862.40 = 8,474.70 : x
  2. Step 2: Convert to fraction form
    17,241.60/25,862.40 = 8,474.70/x
  3. Step 3: Cross multiply
    17,241.60x = 25,862.40 × 8,474.70
  4. Step 4: Simplify right side
    17,241.60x = 219,176,081.28
  5. Step 5: Solve for x
    x = 219,176,081.28/17,241.60
  6. Step 6: Final answer
    x = 12,712.05

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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.