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Finding the Fourth Proportional to 10,749.96, 16,118.28 and 3,728.32

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Solution

The fourth proportional to 10,749.96, 16,118.28 and 3,728.32 is: 5,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.96 : 16,118.28 = 3,728.32 : x
  2. Step 2: Convert to fraction form
    10,749.96/16,118.28 = 3,728.32/x
  3. Step 3: Cross multiply
    10,749.96x = 16,118.28 × 3,728.32
  4. Step 4: Simplify right side
    10,749.96x = 60,094,105.69
  5. Step 5: Solve for x
    x = 60,094,105.69/10,749.96
  6. Step 6: Final answer
    x = 5,590.17

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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.