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Finding the Fourth Proportional to 6,292, 9,442.32 and 2,188

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Solution

The fourth proportional to 6,292, 9,442.32 and 2,188 is: 3,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,292 : 9,442.32 = 2,188 : x
  2. Step 2: Convert to fraction form
    6,292/9,442.32 = 2,188/x
  3. Step 3: Cross multiply
    6,292x = 9,442.32 × 2,188
  4. Step 4: Simplify right side
    6,292x = 20,659,796.16
  5. Step 5: Solve for x
    x = 20,659,796.16/6,292
  6. Step 6: Final answer
    x = 3,283.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.