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Finding the Fourth Proportional to 5,393, 7,442.16 and 3,035

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Solution

The fourth proportional to 5,393, 7,442.16 and 3,035 is: 4,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393 : 7,442.16 = 3,035 : x
  2. Step 2: Convert to fraction form
    5,393/7,442.16 = 3,035/x
  3. Step 3: Cross multiply
    5,393x = 7,442.16 × 3,035
  4. Step 4: Simplify right side
    5,393x = 22,586,955.60
  5. Step 5: Solve for x
    x = 22,586,955.60/5,393
  6. Step 6: Final answer
    x = 4,188.20

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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.