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Finding the Fourth Proportional to 62,765.33, 86,616.84 and 34,471.02

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Solution

The fourth proportional to 62,765.33, 86,616.84 and 34,471.02 is: 47,570.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,765.33 : 86,616.84 = 34,471.02 : x
  2. Step 2: Convert to fraction form
    62,765.33/86,616.84 = 34,471.02/x
  3. Step 3: Cross multiply
    62,765.33x = 86,616.84 × 34,471.02
  4. Step 4: Simplify right side
    62,765.33x = 2,985,770,304.72
  5. Step 5: Solve for x
    x = 2,985,770,304.72/62,765.33
  6. Step 6: Final answer
    x = 47,570.38

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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.