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Finding the Fourth Proportional to 6,551.11, 9,828.11 and 1,934.47

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Solution

The fourth proportional to 6,551.11, 9,828.11 and 1,934.47 is: 2,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.11 : 9,828.11 = 1,934.47 : x
  2. Step 2: Convert to fraction form
    6,551.11/9,828.11 = 1,934.47/x
  3. Step 3: Cross multiply
    6,551.11x = 9,828.11 × 1,934.47
  4. Step 4: Simplify right side
    6,551.11x = 19,012,183.95
  5. Step 5: Solve for x
    x = 19,012,183.95/6,551.11
  6. Step 6: Final answer
    x = 2,902.13

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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.