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Finding the Fourth Proportional to 10,081.88, 15,054.88 and 8,236.64

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Solution

The fourth proportional to 10,081.88, 15,054.88 and 8,236.64 is: 12,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.88 : 15,054.88 = 8,236.64 : x
  2. Step 2: Convert to fraction form
    10,081.88/15,054.88 = 8,236.64/x
  3. Step 3: Cross multiply
    10,081.88x = 15,054.88 × 8,236.64
  4. Step 4: Simplify right side
    10,081.88x = 124,001,626.80
  5. Step 5: Solve for x
    x = 124,001,626.80/10,081.88
  6. Step 6: Final answer
    x = 12,299.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.