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Finding the Fourth Proportional to 55,397.44, 83,091.24 and 13,844.40

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Solution

The fourth proportional to 55,397.44, 83,091.24 and 13,844.40 is: 20,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,397.44 : 83,091.24 = 13,844.40 : x
  2. Step 2: Convert to fraction form
    55,397.44/83,091.24 = 13,844.40/x
  3. Step 3: Cross multiply
    55,397.44x = 83,091.24 × 13,844.40
  4. Step 4: Simplify right side
    55,397.44x = 1,150,348,363.06
  5. Step 5: Solve for x
    x = 1,150,348,363.06/55,397.44
  6. Step 6: Final answer
    x = 20,765.37

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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.