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Finding the Fourth Proportional to 11,264.78, 16,899.45 and 3,367.48

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Solution

The fourth proportional to 11,264.78, 16,899.45 and 3,367.48 is: 5,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,264.78 : 16,899.45 = 3,367.48 : x
  2. Step 2: Convert to fraction form
    11,264.78/16,899.45 = 3,367.48/x
  3. Step 3: Cross multiply
    11,264.78x = 16,899.45 × 3,367.48
  4. Step 4: Simplify right side
    11,264.78x = 56,908,543.05
  5. Step 5: Solve for x
    x = 56,908,543.05/11,264.78
  6. Step 6: Final answer
    x = 5,051.90

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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.