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Finding the Fourth Proportional to 7,247.04, 9,997.92 and 4,102.08

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Solution

The fourth proportional to 7,247.04, 9,997.92 and 4,102.08 is: 5,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.04 : 9,997.92 = 4,102.08 : x
  2. Step 2: Convert to fraction form
    7,247.04/9,997.92 = 4,102.08/x
  3. Step 3: Cross multiply
    7,247.04x = 9,997.92 × 4,102.08
  4. Step 4: Simplify right side
    7,247.04x = 41,012,267.67
  5. Step 5: Solve for x
    x = 41,012,267.67/7,247.04
  6. Step 6: Final answer
    x = 5,659.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.