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Finding the Fourth Proportional to 54,863.88, 82,155.27 and 37,973.49

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Solution

The fourth proportional to 54,863.88, 82,155.27 and 37,973.49 is: 56,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,863.88 : 82,155.27 = 37,973.49 : x
  2. Step 2: Convert to fraction form
    54,863.88/82,155.27 = 37,973.49/x
  3. Step 3: Cross multiply
    54,863.88x = 82,155.27 × 37,973.49
  4. Step 4: Simplify right side
    54,863.88x = 3,119,722,323.79
  5. Step 5: Solve for x
    x = 3,119,722,323.79/54,863.88
  6. Step 6: Final answer
    x = 56,862.95

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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.