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Finding the Fourth Proportional to 23,298.40, 34,850.40 and 19,799.20

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Solution

The fourth proportional to 23,298.40, 34,850.40 and 19,799.20 is: 29,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,298.40 : 34,850.40 = 19,799.20 : x
  2. Step 2: Convert to fraction form
    23,298.40/34,850.40 = 19,799.20/x
  3. Step 3: Cross multiply
    23,298.40x = 34,850.40 × 19,799.20
  4. Step 4: Simplify right side
    23,298.40x = 690,010,039.68
  5. Step 5: Solve for x
    x = 690,010,039.68/23,298.40
  6. Step 6: Final answer
    x = 29,616.20

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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.