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Finding the Fourth Proportional to 17,727.60, 26,591.40 and 16,863.60

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Solution

The fourth proportional to 17,727.60, 26,591.40 and 16,863.60 is: 25,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,727.60 : 26,591.40 = 16,863.60 : x
  2. Step 2: Convert to fraction form
    17,727.60/26,591.40 = 16,863.60/x
  3. Step 3: Cross multiply
    17,727.60x = 26,591.40 × 16,863.60
  4. Step 4: Simplify right side
    17,727.60x = 448,426,733.04
  5. Step 5: Solve for x
    x = 448,426,733.04/17,727.60
  6. Step 6: Final answer
    x = 25,295.40

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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.