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Finding the Fourth Proportional to 14,344.53, 21,524.94 and 5,578.26

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Solution

The fourth proportional to 14,344.53, 21,524.94 and 5,578.26 is: 8,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.53 : 21,524.94 = 5,578.26 : x
  2. Step 2: Convert to fraction form
    14,344.53/21,524.94 = 5,578.26/x
  3. Step 3: Cross multiply
    14,344.53x = 21,524.94 × 5,578.26
  4. Step 4: Simplify right side
    14,344.53x = 120,071,711.80
  5. Step 5: Solve for x
    x = 120,071,711.80/14,344.53
  6. Step 6: Final answer
    x = 8,370.56

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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.