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Finding the Fourth Proportional to 5,361.35, 8,003.61 and 4,660.91

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Solution

The fourth proportional to 5,361.35, 8,003.61 and 4,660.91 is: 6,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.35 : 8,003.61 = 4,660.91 : x
  2. Step 2: Convert to fraction form
    5,361.35/8,003.61 = 4,660.91/x
  3. Step 3: Cross multiply
    5,361.35x = 8,003.61 × 4,660.91
  4. Step 4: Simplify right side
    5,361.35x = 37,304,065.87
  5. Step 5: Solve for x
    x = 37,304,065.87/5,361.35
  6. Step 6: Final answer
    x = 6,957.97

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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.