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Finding the Fourth Proportional to 8,481.71, 11,704.76 and 4,944.23

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Solution

The fourth proportional to 8,481.71, 11,704.76 and 4,944.23 is: 6,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.71 : 11,704.76 = 4,944.23 : x
  2. Step 2: Convert to fraction form
    8,481.71/11,704.76 = 4,944.23/x
  3. Step 3: Cross multiply
    8,481.71x = 11,704.76 × 4,944.23
  4. Step 4: Simplify right side
    8,481.71x = 57,871,067.16
  5. Step 5: Solve for x
    x = 57,871,067.16/8,481.71
  6. Step 6: Final answer
    x = 6,823.05

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Half scale
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Double scale
Find fourth proportional to 8,482.71, 11,706.14 and 4,945.23
Similar ratio
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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.