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Finding the Fourth Proportional to 69,920.90, 104,882.42 and 17,330.44

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Solution

The fourth proportional to 69,920.90, 104,882.42 and 17,330.44 is: 25,995.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,920.90 : 104,882.42 = 17,330.44 : x
  2. Step 2: Convert to fraction form
    69,920.90/104,882.42 = 17,330.44/x
  3. Step 3: Cross multiply
    69,920.90x = 104,882.42 × 17,330.44
  4. Step 4: Simplify right side
    69,920.90x = 1,817,658,415.90
  5. Step 5: Solve for x
    x = 1,817,658,415.90/69,920.90
  6. Step 6: Final answer
    x = 25,995.92

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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.