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Finding the Fourth Proportional to 55,141.20, 82,722.60 and 23,551.20

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Solution

The fourth proportional to 55,141.20, 82,722.60 and 23,551.20 is: 35,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,141.20 : 82,722.60 = 23,551.20 : x
  2. Step 2: Convert to fraction form
    55,141.20/82,722.60 = 23,551.20/x
  3. Step 3: Cross multiply
    55,141.20x = 82,722.60 × 23,551.20
  4. Step 4: Simplify right side
    55,141.20x = 1,948,216,497.12
  5. Step 5: Solve for x
    x = 1,948,216,497.12/55,141.20
  6. Step 6: Final answer
    x = 35,331.41

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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.