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Finding the Fourth Proportional to 22,914.40, 34,422.80 and 16,002.40

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Solution

The fourth proportional to 22,914.40, 34,422.80 and 16,002.40 is: 24,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,914.40 : 34,422.80 = 16,002.40 : x
  2. Step 2: Convert to fraction form
    22,914.40/34,422.80 = 16,002.40/x
  3. Step 3: Cross multiply
    22,914.40x = 34,422.80 × 16,002.40
  4. Step 4: Simplify right side
    22,914.40x = 550,847,414.72
  5. Step 5: Solve for x
    x = 550,847,414.72/22,914.40
  6. Step 6: Final answer
    x = 24,039.36

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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.