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Finding the Fourth Proportional to 55,969.80, 83,901.92 and 27,863.26

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Solution

The fourth proportional to 55,969.80, 83,901.92 and 27,863.26 is: 41,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,969.80 : 83,901.92 = 27,863.26 : x
  2. Step 2: Convert to fraction form
    55,969.80/83,901.92 = 27,863.26/x
  3. Step 3: Cross multiply
    55,969.80x = 83,901.92 × 27,863.26
  4. Step 4: Simplify right side
    55,969.80x = 2,337,781,011.46
  5. Step 5: Solve for x
    x = 2,337,781,011.46/55,969.80
  6. Step 6: Final answer
    x = 41,768.61

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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.