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Finding the Fourth Proportional to 22,346.40, 33,521.28 and 6,765.28

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Solution

The fourth proportional to 22,346.40, 33,521.28 and 6,765.28 is: 10,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,346.40 : 33,521.28 = 6,765.28 : x
  2. Step 2: Convert to fraction form
    22,346.40/33,521.28 = 6,765.28/x
  3. Step 3: Cross multiply
    22,346.40x = 33,521.28 × 6,765.28
  4. Step 4: Simplify right side
    22,346.40x = 226,780,845.16
  5. Step 5: Solve for x
    x = 226,780,845.16/22,346.40
  6. Step 6: Final answer
    x = 10,148.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.