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Finding the Fourth Proportional to 14,424.39, 21,639.22 and 6,633

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Solution

The fourth proportional to 14,424.39, 21,639.22 and 6,633 is: 9,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,424.39 : 21,639.22 = 6,633 : x
  2. Step 2: Convert to fraction form
    14,424.39/21,639.22 = 6,633/x
  3. Step 3: Cross multiply
    14,424.39x = 21,639.22 × 6,633
  4. Step 4: Simplify right side
    14,424.39x = 143,532,929.68
  5. Step 5: Solve for x
    x = 143,532,929.68/14,424.39
  6. Step 6: Final answer
    x = 9,950.71

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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.