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Finding the Fourth Proportional to 3,577.80, 5,368.71 and 2,795.61

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Solution

The fourth proportional to 3,577.80, 5,368.71 and 2,795.61 is: 4,194.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.80 : 5,368.71 = 2,795.61 : x
  2. Step 2: Convert to fraction form
    3,577.80/5,368.71 = 2,795.61/x
  3. Step 3: Cross multiply
    3,577.80x = 5,368.71 × 2,795.61
  4. Step 4: Simplify right side
    3,577.80x = 15,008,819.36
  5. Step 5: Solve for x
    x = 15,008,819.36/3,577.80
  6. Step 6: Final answer
    x = 4,194.99

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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.