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Finding the Fourth Proportional to 4,998.92, 7,498.54 and 4,263.87

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Solution

The fourth proportional to 4,998.92, 7,498.54 and 4,263.87 is: 6,395.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.92 : 7,498.54 = 4,263.87 : x
  2. Step 2: Convert to fraction form
    4,998.92/7,498.54 = 4,263.87/x
  3. Step 3: Cross multiply
    4,998.92x = 7,498.54 × 4,263.87
  4. Step 4: Simplify right side
    4,998.92x = 31,972,833.20
  5. Step 5: Solve for x
    x = 31,972,833.20/4,998.92
  6. Step 6: Final answer
    x = 6,395.95

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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.