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Finding the Fourth Proportional to 11,254.66, 16,881.99 and 2,934.65

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Solution

The fourth proportional to 11,254.66, 16,881.99 and 2,934.65 is: 4,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.66 : 16,881.99 = 2,934.65 : x
  2. Step 2: Convert to fraction form
    11,254.66/16,881.99 = 2,934.65/x
  3. Step 3: Cross multiply
    11,254.66x = 16,881.99 × 2,934.65
  4. Step 4: Simplify right side
    11,254.66x = 49,542,731.95
  5. Step 5: Solve for x
    x = 49,542,731.95/11,254.66
  6. Step 6: Final answer
    x = 4,401.98

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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.