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Finding the Fourth Proportional to 22,479.02, 33,718.17 and 8,628.02

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Solution

The fourth proportional to 22,479.02, 33,718.17 and 8,628.02 is: 12,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,479.02 : 33,718.17 = 8,628.02 : x
  2. Step 2: Convert to fraction form
    22,479.02/33,718.17 = 8,628.02/x
  3. Step 3: Cross multiply
    22,479.02x = 33,718.17 × 8,628.02
  4. Step 4: Simplify right side
    22,479.02x = 290,921,045.12
  5. Step 5: Solve for x
    x = 290,921,045.12/22,479.02
  6. Step 6: Final answer
    x = 12,941.89

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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.