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Finding the Fourth Proportional to 4,409.78, 6,619.54 and 2,562.98

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Solution

The fourth proportional to 4,409.78, 6,619.54 and 2,562.98 is: 3,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.78 : 6,619.54 = 2,562.98 : x
  2. Step 2: Convert to fraction form
    4,409.78/6,619.54 = 2,562.98/x
  3. Step 3: Cross multiply
    4,409.78x = 6,619.54 × 2,562.98
  4. Step 4: Simplify right side
    4,409.78x = 16,965,748.63
  5. Step 5: Solve for x
    x = 16,965,748.63/4,409.78
  6. Step 6: Final answer
    x = 3,847.30

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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.