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Finding the Fourth Proportional to 7,197.95, 9,933.08 and 4,215.33

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Solution

The fourth proportional to 7,197.95, 9,933.08 and 4,215.33 is: 5,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.95 : 9,933.08 = 4,215.33 : x
  2. Step 2: Convert to fraction form
    7,197.95/9,933.08 = 4,215.33/x
  3. Step 3: Cross multiply
    7,197.95x = 9,933.08 × 4,215.33
  4. Step 4: Simplify right side
    7,197.95x = 41,871,189.04
  5. Step 5: Solve for x
    x = 41,871,189.04/7,197.95
  6. Step 6: Final answer
    x = 5,817.10

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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.