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Finding the Fourth Proportional to 69,047.88, 94,873.13 and 54,876.12

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Solution

The fourth proportional to 69,047.88, 94,873.13 and 54,876.12 is: 75,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,047.88 : 94,873.13 = 54,876.12 : x
  2. Step 2: Convert to fraction form
    69,047.88/94,873.13 = 54,876.12/x
  3. Step 3: Cross multiply
    69,047.88x = 94,873.13 × 54,876.12
  4. Step 4: Simplify right side
    69,047.88x = 5,206,268,992.28
  5. Step 5: Solve for x
    x = 5,206,268,992.28/69,047.88
  6. Step 6: Final answer
    x = 75,400.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.