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Finding the Fourth Proportional to 54,955.80, 82,433.70 and 51,675.30

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Solution

The fourth proportional to 54,955.80, 82,433.70 and 51,675.30 is: 77,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,955.80 : 82,433.70 = 51,675.30 : x
  2. Step 2: Convert to fraction form
    54,955.80/82,433.70 = 51,675.30/x
  3. Step 3: Cross multiply
    54,955.80x = 82,433.70 × 51,675.30
  4. Step 4: Simplify right side
    54,955.80x = 4,259,786,177.61
  5. Step 5: Solve for x
    x = 4,259,786,177.61/54,955.80
  6. Step 6: Final answer
    x = 77,512.95

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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.