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Finding the Fourth Proportional to 18,042.64, 26,933.52 and 15,593.20

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Solution

The fourth proportional to 18,042.64, 26,933.52 and 15,593.20 is: 23,277.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.64 : 26,933.52 = 15,593.20 : x
  2. Step 2: Convert to fraction form
    18,042.64/26,933.52 = 15,593.20/x
  3. Step 3: Cross multiply
    18,042.64x = 26,933.52 × 15,593.20
  4. Step 4: Simplify right side
    18,042.64x = 419,979,764.06
  5. Step 5: Solve for x
    x = 419,979,764.06/18,042.64
  6. Step 6: Final answer
    x = 23,277.07

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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.