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Finding the Fourth Proportional to 69,018.92, 103,552.68 and 33,983.18

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Solution

The fourth proportional to 69,018.92, 103,552.68 and 33,983.18 is: 50,986.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,018.92 : 103,552.68 = 33,983.18 : x
  2. Step 2: Convert to fraction form
    69,018.92/103,552.68 = 33,983.18/x
  3. Step 3: Cross multiply
    69,018.92x = 103,552.68 × 33,983.18
  4. Step 4: Simplify right side
    69,018.92x = 3,519,049,363.92
  5. Step 5: Solve for x
    x = 3,519,049,363.92/69,018.92
  6. Step 6: Final answer
    x = 50,986.73

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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.