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Finding the Fourth Proportional to 28,304.20, 42,463.40 and 10,764.44

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Solution

The fourth proportional to 28,304.20, 42,463.40 and 10,764.44 is: 16,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,304.20 : 42,463.40 = 10,764.44 : x
  2. Step 2: Convert to fraction form
    28,304.20/42,463.40 = 10,764.44/x
  3. Step 3: Cross multiply
    28,304.20x = 42,463.40 × 10,764.44
  4. Step 4: Simplify right side
    28,304.20x = 457,094,721.50
  5. Step 5: Solve for x
    x = 457,094,721.50/28,304.20
  6. Step 6: Final answer
    x = 16,149.36

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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.