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Finding the Fourth Proportional to 22,230.32, 33,354.84 and 9,743.90

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Solution

The fourth proportional to 22,230.32, 33,354.84 and 9,743.90 is: 14,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,230.32 : 33,354.84 = 9,743.90 : x
  2. Step 2: Convert to fraction form
    22,230.32/33,354.84 = 9,743.90/x
  3. Step 3: Cross multiply
    22,230.32x = 33,354.84 × 9,743.90
  4. Step 4: Simplify right side
    22,230.32x = 325,006,225.48
  5. Step 5: Solve for x
    x = 325,006,225.48/22,230.32
  6. Step 6: Final answer
    x = 14,619.95

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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.