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Finding the Fourth Proportional to 3,067.24, 4,599.99 and 875.38

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Solution

The fourth proportional to 3,067.24, 4,599.99 and 875.38 is: 1,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.24 : 4,599.99 = 875.38 : x
  2. Step 2: Convert to fraction form
    3,067.24/4,599.99 = 875.38/x
  3. Step 3: Cross multiply
    3,067.24x = 4,599.99 × 875.38
  4. Step 4: Simplify right side
    3,067.24x = 4,026,739.25
  5. Step 5: Solve for x
    x = 4,026,739.25/3,067.24
  6. Step 6: Final answer
    x = 1,312.82

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Why These Related Problems?

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