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Finding the Fourth Proportional to 22,494.40, 33,722.40 and 15,899.84

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Solution

The fourth proportional to 22,494.40, 33,722.40 and 15,899.84 is: 23,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,494.40 : 33,722.40 = 15,899.84 : x
  2. Step 2: Convert to fraction form
    22,494.40/33,722.40 = 15,899.84/x
  3. Step 3: Cross multiply
    22,494.40x = 33,722.40 × 15,899.84
  4. Step 4: Simplify right side
    22,494.40x = 536,180,764.42
  5. Step 5: Solve for x
    x = 536,180,764.42/22,494.40
  6. Step 6: Final answer
    x = 23,836.19

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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.