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Finding the Fourth Proportional to 5,098.54, 7,647.82 and 1,400.82

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Solution

The fourth proportional to 5,098.54, 7,647.82 and 1,400.82 is: 2,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.54 : 7,647.82 = 1,400.82 : x
  2. Step 2: Convert to fraction form
    5,098.54/7,647.82 = 1,400.82/x
  3. Step 3: Cross multiply
    5,098.54x = 7,647.82 × 1,400.82
  4. Step 4: Simplify right side
    5,098.54x = 10,713,219.21
  5. Step 5: Solve for x
    x = 10,713,219.21/5,098.54
  6. Step 6: Final answer
    x = 2,101.23

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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.