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Finding the Fourth Proportional to 2,988.27, 4,483.02 and 2,468.87

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Solution

The fourth proportional to 2,988.27, 4,483.02 and 2,468.87 is: 3,703.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.27 : 4,483.02 = 2,468.87 : x
  2. Step 2: Convert to fraction form
    2,988.27/4,483.02 = 2,468.87/x
  3. Step 3: Cross multiply
    2,988.27x = 4,483.02 × 2,468.87
  4. Step 4: Simplify right side
    2,988.27x = 11,067,971.17
  5. Step 5: Solve for x
    x = 11,067,971.17/2,988.27
  6. Step 6: Final answer
    x = 3,703.81

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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.