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Finding the Fourth Proportional to 8,754.67, 12,056.81 and 8,727.33

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Solution

The fourth proportional to 8,754.67, 12,056.81 and 8,727.33 is: 12,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.67 : 12,056.81 = 8,727.33 : x
  2. Step 2: Convert to fraction form
    8,754.67/12,056.81 = 8,727.33/x
  3. Step 3: Cross multiply
    8,754.67x = 12,056.81 × 8,727.33
  4. Step 4: Simplify right side
    8,754.67x = 105,223,759.62
  5. Step 5: Solve for x
    x = 105,223,759.62/8,754.67
  6. Step 6: Final answer
    x = 12,019.16

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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.