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Finding the Fourth Proportional to 9,490.54, 14,236.08 and 7,632.81

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Solution

The fourth proportional to 9,490.54, 14,236.08 and 7,632.81 is: 11,449.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,490.54 : 14,236.08 = 7,632.81 : x
  2. Step 2: Convert to fraction form
    9,490.54/14,236.08 = 7,632.81/x
  3. Step 3: Cross multiply
    9,490.54x = 14,236.08 × 7,632.81
  4. Step 4: Simplify right side
    9,490.54x = 108,661,293.78
  5. Step 5: Solve for x
    x = 108,661,293.78/9,490.54
  6. Step 6: Final answer
    x = 11,449.43

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Double scale
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Similar ratio
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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.