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Finding the Fourth Proportional to 10,327.76, 15,471 and 4,773.44

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Solution

The fourth proportional to 10,327.76, 15,471 and 4,773.44 is: 7,150.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327.76 : 15,471 = 4,773.44 : x
  2. Step 2: Convert to fraction form
    10,327.76/15,471 = 4,773.44/x
  3. Step 3: Cross multiply
    10,327.76x = 15,471 × 4,773.44
  4. Step 4: Simplify right side
    10,327.76x = 73,849,890.24
  5. Step 5: Solve for x
    x = 73,849,890.24/10,327.76
  6. Step 6: Final answer
    x = 7,150.62

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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.