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Finding the Fourth Proportional to 9,908.22, 13,669.94 and 5,874.22

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Solution

The fourth proportional to 9,908.22, 13,669.94 and 5,874.22 is: 8,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.22 : 13,669.94 = 5,874.22 : x
  2. Step 2: Convert to fraction form
    9,908.22/13,669.94 = 5,874.22/x
  3. Step 3: Cross multiply
    9,908.22x = 13,669.94 × 5,874.22
  4. Step 4: Simplify right side
    9,908.22x = 80,300,250.20
  5. Step 5: Solve for x
    x = 80,300,250.20/9,908.22
  6. Step 6: Final answer
    x = 8,104.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.