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Finding the Fourth Proportional to 11,166.15, 16,748.07 and 5,617.23

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Solution

The fourth proportional to 11,166.15, 16,748.07 and 5,617.23 is: 8,425.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.15 : 16,748.07 = 5,617.23 : x
  2. Step 2: Convert to fraction form
    11,166.15/16,748.07 = 5,617.23/x
  3. Step 3: Cross multiply
    11,166.15x = 16,748.07 × 5,617.23
  4. Step 4: Simplify right side
    11,166.15x = 94,077,761.25
  5. Step 5: Solve for x
    x = 94,077,761.25/11,166.15
  6. Step 6: Final answer
    x = 8,425.26

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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.