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Finding the Fourth Proportional to 55,422.40, 83,144.40 and 23,832.40

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Solution

The fourth proportional to 55,422.40, 83,144.40 and 23,832.40 is: 35,753.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,422.40 : 83,144.40 = 23,832.40 : x
  2. Step 2: Convert to fraction form
    55,422.40/83,144.40 = 23,832.40/x
  3. Step 3: Cross multiply
    55,422.40x = 83,144.40 × 23,832.40
  4. Step 4: Simplify right side
    55,422.40x = 1,981,530,598.56
  5. Step 5: Solve for x
    x = 1,981,530,598.56/55,422.40
  6. Step 6: Final answer
    x = 35,753.24

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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.