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Finding the Fourth Proportional to 9,954.85, 13,732.59 and 8,837.05

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Solution

The fourth proportional to 9,954.85, 13,732.59 and 8,837.05 is: 12,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954.85 : 13,732.59 = 8,837.05 : x
  2. Step 2: Convert to fraction form
    9,954.85/13,732.59 = 8,837.05/x
  3. Step 3: Cross multiply
    9,954.85x = 13,732.59 × 8,837.05
  4. Step 4: Simplify right side
    9,954.85x = 121,355,584.46
  5. Step 5: Solve for x
    x = 121,355,584.46/9,954.85
  6. Step 6: Final answer
    x = 12,190.60

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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.