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Finding the Fourth Proportional to 4,791.88, 6,612.72 and 2,696.01

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Solution

The fourth proportional to 4,791.88, 6,612.72 and 2,696.01 is: 3,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.88 : 6,612.72 = 2,696.01 : x
  2. Step 2: Convert to fraction form
    4,791.88/6,612.72 = 2,696.01/x
  3. Step 3: Cross multiply
    4,791.88x = 6,612.72 × 2,696.01
  4. Step 4: Simplify right side
    4,791.88x = 17,827,959.25
  5. Step 5: Solve for x
    x = 17,827,959.25/4,791.88
  6. Step 6: Final answer
    x = 3,720.45

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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.