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Finding the Fourth Proportional to 5,393.94, 7,439.80 and 3,600.52

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Solution

The fourth proportional to 5,393.94, 7,439.80 and 3,600.52 is: 4,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.94 : 7,439.80 = 3,600.52 : x
  2. Step 2: Convert to fraction form
    5,393.94/7,439.80 = 3,600.52/x
  3. Step 3: Cross multiply
    5,393.94x = 7,439.80 × 3,600.52
  4. Step 4: Simplify right side
    5,393.94x = 26,787,130.77
  5. Step 5: Solve for x
    x = 26,787,130.77/5,393.94
  6. Step 6: Final answer
    x = 4,966.15

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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.