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Finding the Fourth Proportional to 6,141.87, 8,473.28 and 4,279.95

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Solution

The fourth proportional to 6,141.87, 8,473.28 and 4,279.95 is: 5,904.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.87 : 8,473.28 = 4,279.95 : x
  2. Step 2: Convert to fraction form
    6,141.87/8,473.28 = 4,279.95/x
  3. Step 3: Cross multiply
    6,141.87x = 8,473.28 × 4,279.95
  4. Step 4: Simplify right side
    6,141.87x = 36,265,193.34
  5. Step 5: Solve for x
    x = 36,265,193.34/6,141.87
  6. Step 6: Final answer
    x = 5,904.58

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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.