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Finding the Fourth Proportional to 27,199.49, 40,799.04 and 19,161.17

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Solution

The fourth proportional to 27,199.49, 40,799.04 and 19,161.17 is: 28,741.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,199.49 : 40,799.04 = 19,161.17 : x
  2. Step 2: Convert to fraction form
    27,199.49/40,799.04 = 19,161.17/x
  3. Step 3: Cross multiply
    27,199.49x = 40,799.04 × 19,161.17
  4. Step 4: Simplify right side
    27,199.49x = 781,757,443.27
  5. Step 5: Solve for x
    x = 781,757,443.27/27,199.49
  6. Step 6: Final answer
    x = 28,741.62

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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.