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Finding the Fourth Proportional to 5,067.48, 7,602 and 1,605

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Solution

The fourth proportional to 5,067.48, 7,602 and 1,605 is: 2,407.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.48 : 7,602 = 1,605 : x
  2. Step 2: Convert to fraction form
    5,067.48/7,602 = 1,605/x
  3. Step 3: Cross multiply
    5,067.48x = 7,602 × 1,605
  4. Step 4: Simplify right side
    5,067.48x = 12,201,210
  5. Step 5: Solve for x
    x = 12,201,210/5,067.48
  6. Step 6: Final answer
    x = 2,407.75

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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.