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Finding the Fourth Proportional to 5,014.52, 6,920.02 and 2,806.52

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Solution

The fourth proportional to 5,014.52, 6,920.02 and 2,806.52 is: 3,872.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.52 : 6,920.02 = 2,806.52 : x
  2. Step 2: Convert to fraction form
    5,014.52/6,920.02 = 2,806.52/x
  3. Step 3: Cross multiply
    5,014.52x = 6,920.02 × 2,806.52
  4. Step 4: Simplify right side
    5,014.52x = 19,421,174.53
  5. Step 5: Solve for x
    x = 19,421,174.53/5,014.52
  6. Step 6: Final answer
    x = 3,872.99

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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.