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Finding the Fourth Proportional to 2,986.07, 4,466.80 and 2,488.52

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Solution

The fourth proportional to 2,986.07, 4,466.80 and 2,488.52 is: 3,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.07 : 4,466.80 = 2,488.52 : x
  2. Step 2: Convert to fraction form
    2,986.07/4,466.80 = 2,488.52/x
  3. Step 3: Cross multiply
    2,986.07x = 4,466.80 × 2,488.52
  4. Step 4: Simplify right side
    2,986.07x = 11,115,721.42
  5. Step 5: Solve for x
    x = 11,115,721.42/2,986.07
  6. Step 6: Final answer
    x = 3,722.53

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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.