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Finding the Fourth Proportional to 22,605.30, 33,944.40 and 16,408.80

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Solution

The fourth proportional to 22,605.30, 33,944.40 and 16,408.80 is: 24,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,605.30 : 33,944.40 = 16,408.80 : x
  2. Step 2: Convert to fraction form
    22,605.30/33,944.40 = 16,408.80/x
  3. Step 3: Cross multiply
    22,605.30x = 33,944.40 × 16,408.80
  4. Step 4: Simplify right side
    22,605.30x = 556,986,870.72
  5. Step 5: Solve for x
    x = 556,986,870.72/22,605.30
  6. Step 6: Final answer
    x = 24,639.66

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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.