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Finding the Fourth Proportional to 4,718.99, 7,083.95 and 2,531.99

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Solution

The fourth proportional to 4,718.99, 7,083.95 and 2,531.99 is: 3,800.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.99 : 7,083.95 = 2,531.99 : x
  2. Step 2: Convert to fraction form
    4,718.99/7,083.95 = 2,531.99/x
  3. Step 3: Cross multiply
    4,718.99x = 7,083.95 × 2,531.99
  4. Step 4: Simplify right side
    4,718.99x = 17,936,442.48
  5. Step 5: Solve for x
    x = 17,936,442.48/4,718.99
  6. Step 6: Final answer
    x = 3,800.91

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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.