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Finding the Fourth Proportional to 5,562.36, 8,347.62 and 2,788.26

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Solution

The fourth proportional to 5,562.36, 8,347.62 and 2,788.26 is: 4,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.36 : 8,347.62 = 2,788.26 : x
  2. Step 2: Convert to fraction form
    5,562.36/8,347.62 = 2,788.26/x
  3. Step 3: Cross multiply
    5,562.36x = 8,347.62 × 2,788.26
  4. Step 4: Simplify right side
    5,562.36x = 23,275,334.94
  5. Step 5: Solve for x
    x = 23,275,334.94/5,562.36
  6. Step 6: Final answer
    x = 4,184.44

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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.