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Finding the Fourth Proportional to 22,389.60, 33,585.60 and 6,806.04

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Solution

The fourth proportional to 22,389.60, 33,585.60 and 6,806.04 is: 10,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,389.60 : 33,585.60 = 6,806.04 : x
  2. Step 2: Convert to fraction form
    22,389.60/33,585.60 = 6,806.04/x
  3. Step 3: Cross multiply
    22,389.60x = 33,585.60 × 6,806.04
  4. Step 4: Simplify right side
    22,389.60x = 228,584,937.02
  5. Step 5: Solve for x
    x = 228,584,937.02/22,389.60
  6. Step 6: Final answer
    x = 10,209.42

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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.