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Finding the Fourth Proportional to 22,387.60, 33,582.60 and 6,804.04

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Solution

The fourth proportional to 22,387.60, 33,582.60 and 6,804.04 is: 10,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,387.60 : 33,582.60 = 6,804.04 : x
  2. Step 2: Convert to fraction form
    22,387.60/33,582.60 = 6,804.04/x
  3. Step 3: Cross multiply
    22,387.60x = 33,582.60 × 6,804.04
  4. Step 4: Simplify right side
    22,387.60x = 228,497,353.70
  5. Step 5: Solve for x
    x = 228,497,353.70/22,387.60
  6. Step 6: Final answer
    x = 10,206.42

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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.