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Finding the Fourth Proportional to 5,248.53, 7,242.56 and 3,258.72

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Solution

The fourth proportional to 5,248.53, 7,242.56 and 3,258.72 is: 4,496.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.53 : 7,242.56 = 3,258.72 : x
  2. Step 2: Convert to fraction form
    5,248.53/7,242.56 = 3,258.72/x
  3. Step 3: Cross multiply
    5,248.53x = 7,242.56 × 3,258.72
  4. Step 4: Simplify right side
    5,248.53x = 23,601,458.83
  5. Step 5: Solve for x
    x = 23,601,458.83/5,248.53
  6. Step 6: Final answer
    x = 4,496.78

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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.