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Finding the Fourth Proportional to 67,980.33, 101,959.97 and 34,724.97

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Solution

The fourth proportional to 67,980.33, 101,959.97 and 34,724.97 is: 52,082.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,980.33 : 101,959.97 = 34,724.97 : x
  2. Step 2: Convert to fraction form
    67,980.33/101,959.97 = 34,724.97/x
  3. Step 3: Cross multiply
    67,980.33x = 101,959.97 × 34,724.97
  4. Step 4: Simplify right side
    67,980.33x = 3,540,556,725.83
  5. Step 5: Solve for x
    x = 3,540,556,725.83/67,980.33
  6. Step 6: Final answer
    x = 52,082.08

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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.