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Finding the Fourth Proportional to 22,435.62, 33,669.04 and 9,288.06

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Solution

The fourth proportional to 22,435.62, 33,669.04 and 9,288.06 is: 13,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,435.62 : 33,669.04 = 9,288.06 : x
  2. Step 2: Convert to fraction form
    22,435.62/33,669.04 = 9,288.06/x
  3. Step 3: Cross multiply
    22,435.62x = 33,669.04 × 9,288.06
  4. Step 4: Simplify right side
    22,435.62x = 312,720,002.71
  5. Step 5: Solve for x
    x = 312,720,002.71/22,435.62
  6. Step 6: Final answer
    x = 13,938.55

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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.