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Finding the Fourth Proportional to 8,992.93, 13,481.66 and 5,040.95

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Solution

The fourth proportional to 8,992.93, 13,481.66 and 5,040.95 is: 7,557.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.93 : 13,481.66 = 5,040.95 : x
  2. Step 2: Convert to fraction form
    8,992.93/13,481.66 = 5,040.95/x
  3. Step 3: Cross multiply
    8,992.93x = 13,481.66 × 5,040.95
  4. Step 4: Simplify right side
    8,992.93x = 67,960,363.06
  5. Step 5: Solve for x
    x = 67,960,363.06/8,992.93
  6. Step 6: Final answer
    x = 7,557.09

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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.