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Finding the Fourth Proportional to 6,153.92, 9,228.82 and 1,992.82

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Solution

The fourth proportional to 6,153.92, 9,228.82 and 1,992.82 is: 2,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.92 : 9,228.82 = 1,992.82 : x
  2. Step 2: Convert to fraction form
    6,153.92/9,228.82 = 1,992.82/x
  3. Step 3: Cross multiply
    6,153.92x = 9,228.82 × 1,992.82
  4. Step 4: Simplify right side
    6,153.92x = 18,391,377.07
  5. Step 5: Solve for x
    x = 18,391,377.07/6,153.92
  6. Step 6: Final answer
    x = 2,988.56

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1.5x scale

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.