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Finding the Fourth Proportional to 5,265.66, 7,244.82 and 3,999.36

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Solution

The fourth proportional to 5,265.66, 7,244.82 and 3,999.36 is: 5,502.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.66 : 7,244.82 = 3,999.36 : x
  2. Step 2: Convert to fraction form
    5,265.66/7,244.82 = 3,999.36/x
  3. Step 3: Cross multiply
    5,265.66x = 7,244.82 × 3,999.36
  4. Step 4: Simplify right side
    5,265.66x = 28,974,643.32
  5. Step 5: Solve for x
    x = 28,974,643.32/5,265.66
  6. Step 6: Final answer
    x = 5,502.57

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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.