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Finding the Fourth Proportional to 55,356.40, 82,977.90 and 27,233.20

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Solution

The fourth proportional to 55,356.40, 82,977.90 and 27,233.20 is: 40,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,356.40 : 82,977.90 = 27,233.20 : x
  2. Step 2: Convert to fraction form
    55,356.40/82,977.90 = 27,233.20/x
  3. Step 3: Cross multiply
    55,356.40x = 82,977.90 × 27,233.20
  4. Step 4: Simplify right side
    55,356.40x = 2,259,753,746.28
  5. Step 5: Solve for x
    x = 2,259,753,746.28/55,356.40
  6. Step 6: Final answer
    x = 40,821.91

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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.