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Finding the Fourth Proportional to 69,510.88, 95,863.08 and 54,201.22

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Solution

The fourth proportional to 69,510.88, 95,863.08 and 54,201.22 is: 74,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,510.88 : 95,863.08 = 54,201.22 : x
  2. Step 2: Convert to fraction form
    69,510.88/95,863.08 = 54,201.22/x
  3. Step 3: Cross multiply
    69,510.88x = 95,863.08 × 54,201.22
  4. Step 4: Simplify right side
    69,510.88x = 5,195,895,888.96
  5. Step 5: Solve for x
    x = 5,195,895,888.96/69,510.88
  6. Step 6: Final answer
    x = 74,749.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.