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Finding the Fourth Proportional to 68,881.95, 103,284.09 and 23,882.20

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Solution

The fourth proportional to 68,881.95, 103,284.09 and 23,882.20 is: 35,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,881.95 : 103,284.09 = 23,882.20 : x
  2. Step 2: Convert to fraction form
    68,881.95/103,284.09 = 23,882.20/x
  3. Step 3: Cross multiply
    68,881.95x = 103,284.09 × 23,882.20
  4. Step 4: Simplify right side
    68,881.95x = 2,466,651,035.99
  5. Step 5: Solve for x
    x = 2,466,651,035.99/68,881.95
  6. Step 6: Final answer
    x = 35,809.83

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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.