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Finding the Fourth Proportional to 39,794.52, 59,691.84 and 18,954.84

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Solution

The fourth proportional to 39,794.52, 59,691.84 and 18,954.84 is: 28,432.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,794.52 : 59,691.84 = 18,954.84 : x
  2. Step 2: Convert to fraction form
    39,794.52/59,691.84 = 18,954.84/x
  3. Step 3: Cross multiply
    39,794.52x = 59,691.84 × 18,954.84
  4. Step 4: Simplify right side
    39,794.52x = 1,131,449,276.51
  5. Step 5: Solve for x
    x = 1,131,449,276.51/39,794.52
  6. Step 6: Final answer
    x = 28,432.29

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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.