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Finding the Fourth Proportional to 18,046.64, 26,939.26 and 15,597.20

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Solution

The fourth proportional to 18,046.64, 26,939.26 and 15,597.20 is: 23,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046.64 : 26,939.26 = 15,597.20 : x
  2. Step 2: Convert to fraction form
    18,046.64/26,939.26 = 15,597.20/x
  3. Step 3: Cross multiply
    18,046.64x = 26,939.26 × 15,597.20
  4. Step 4: Simplify right side
    18,046.64x = 420,177,026.07
  5. Step 5: Solve for x
    x = 420,177,026.07/18,046.64
  6. Step 6: Final answer
    x = 23,282.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.