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Finding the Fourth Proportional to 6,607.20, 9,118.14 and 3,623.22

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Solution

The fourth proportional to 6,607.20, 9,118.14 and 3,623.22 is: 5,000.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.20 : 9,118.14 = 3,623.22 : x
  2. Step 2: Convert to fraction form
    6,607.20/9,118.14 = 3,623.22/x
  3. Step 3: Cross multiply
    6,607.20x = 9,118.14 × 3,623.22
  4. Step 4: Simplify right side
    6,607.20x = 33,037,027.21
  5. Step 5: Solve for x
    x = 33,037,027.21/6,607.20
  6. Step 6: Final answer
    x = 5,000.16

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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.