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Finding the Fourth Proportional to 5,254.73, 7,247.42 and 3,366.48

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Solution

The fourth proportional to 5,254.73, 7,247.42 and 3,366.48 is: 4,643.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.73 : 7,247.42 = 3,366.48 : x
  2. Step 2: Convert to fraction form
    5,254.73/7,247.42 = 3,366.48/x
  3. Step 3: Cross multiply
    5,254.73x = 7,247.42 × 3,366.48
  4. Step 4: Simplify right side
    5,254.73x = 24,398,322.19
  5. Step 5: Solve for x
    x = 24,398,322.19/5,254.73
  6. Step 6: Final answer
    x = 4,643.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.