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Finding the Fourth Proportional to 2,695.93, 3,720.15 and 1,516.84

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Solution

The fourth proportional to 2,695.93, 3,720.15 and 1,516.84 is: 2,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.93 : 3,720.15 = 1,516.84 : x
  2. Step 2: Convert to fraction form
    2,695.93/3,720.15 = 1,516.84/x
  3. Step 3: Cross multiply
    2,695.93x = 3,720.15 × 1,516.84
  4. Step 4: Simplify right side
    2,695.93x = 5,642,872.33
  5. Step 5: Solve for x
    x = 5,642,872.33/2,695.93
  6. Step 6: Final answer
    x = 2,093.11

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Why These Related Problems?

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