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Finding the Fourth Proportional to 2,762.05, 4,144.71 and 1,118.35

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Solution

The fourth proportional to 2,762.05, 4,144.71 and 1,118.35 is: 1,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.05 : 4,144.71 = 1,118.35 : x
  2. Step 2: Convert to fraction form
    2,762.05/4,144.71 = 1,118.35/x
  3. Step 3: Cross multiply
    2,762.05x = 4,144.71 × 1,118.35
  4. Step 4: Simplify right side
    2,762.05x = 4,635,236.43
  5. Step 5: Solve for x
    x = 4,635,236.43/2,762.05
  6. Step 6: Final answer
    x = 1,678.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.