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Finding the Fourth Proportional to 7,436.00, 10,261.72 and 4,079.13

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Solution

The fourth proportional to 7,436.00, 10,261.72 and 4,079.13 is: 5,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.00 : 10,261.72 = 4,079.13 : x
  2. Step 2: Convert to fraction form
    7,436.00/10,261.72 = 4,079.13/x
  3. Step 3: Cross multiply
    7,436.00x = 10,261.72 × 4,079.13
  4. Step 4: Simplify right side
    7,436.00x = 41,858,856.52
  5. Step 5: Solve for x
    x = 41,858,856.52/7,436.00
  6. Step 6: Final answer
    x = 5,629.21

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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.