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Finding the Fourth Proportional to 8,318.64, 11,474.16 and 8,033.52

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Solution

The fourth proportional to 8,318.64, 11,474.16 and 8,033.52 is: 11,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.64 : 11,474.16 = 8,033.52 : x
  2. Step 2: Convert to fraction form
    8,318.64/11,474.16 = 8,033.52/x
  3. Step 3: Cross multiply
    8,318.64x = 11,474.16 × 8,033.52
  4. Step 4: Simplify right side
    8,318.64x = 92,177,893.84
  5. Step 5: Solve for x
    x = 92,177,893.84/8,318.64
  6. Step 6: Final answer
    x = 11,080.89

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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.