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Finding the Fourth Proportional to 2,766.88, 3,818.25 and 1,507.93

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Solution

The fourth proportional to 2,766.88, 3,818.25 and 1,507.93 is: 2,080.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.88 : 3,818.25 = 1,507.93 : x
  2. Step 2: Convert to fraction form
    2,766.88/3,818.25 = 1,507.93/x
  3. Step 3: Cross multiply
    2,766.88x = 3,818.25 × 1,507.93
  4. Step 4: Simplify right side
    2,766.88x = 5,757,636.64
  5. Step 5: Solve for x
    x = 5,757,636.64/2,766.88
  6. Step 6: Final answer
    x = 2,080.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.