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Finding the Fourth Proportional to 4,796.65, 6,619.35 and 2,672.08

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Solution

The fourth proportional to 4,796.65, 6,619.35 and 2,672.08 is: 3,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,796.65 : 6,619.35 = 2,672.08 : x
  2. Step 2: Convert to fraction form
    4,796.65/6,619.35 = 2,672.08/x
  3. Step 3: Cross multiply
    4,796.65x = 6,619.35 × 2,672.08
  4. Step 4: Simplify right side
    4,796.65x = 17,687,426.22
  5. Step 5: Solve for x
    x = 17,687,426.22/4,796.65
  6. Step 6: Final answer
    x = 3,687.45

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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.