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Finding the Fourth Proportional to 2,684.80, 4,027.36 and 1,041.52

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Solution

The fourth proportional to 2,684.80, 4,027.36 and 1,041.52 is: 1,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.80 : 4,027.36 = 1,041.52 : x
  2. Step 2: Convert to fraction form
    2,684.80/4,027.36 = 1,041.52/x
  3. Step 3: Cross multiply
    2,684.80x = 4,027.36 × 1,041.52
  4. Step 4: Simplify right side
    2,684.80x = 4,194,575.99
  5. Step 5: Solve for x
    x = 4,194,575.99/2,684.80
  6. Step 6: Final answer
    x = 1,562.34

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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.