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Finding the Fourth Proportional to 17,607.60, 26,382.60 and 15,015.60

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Solution

The fourth proportional to 17,607.60, 26,382.60 and 15,015.60 is: 22,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,607.60 : 26,382.60 = 15,015.60 : x
  2. Step 2: Convert to fraction form
    17,607.60/26,382.60 = 15,015.60/x
  3. Step 3: Cross multiply
    17,607.60x = 26,382.60 × 15,015.60
  4. Step 4: Simplify right side
    17,607.60x = 396,150,568.56
  5. Step 5: Solve for x
    x = 396,150,568.56/17,607.60
  6. Step 6: Final answer
    x = 22,498.84

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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.