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Finding the Fourth Proportional to 8,757.24, 12,087.18 and 5,923.32

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Solution

The fourth proportional to 8,757.24, 12,087.18 and 5,923.32 is: 8,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.24 : 12,087.18 = 5,923.32 : x
  2. Step 2: Convert to fraction form
    8,757.24/12,087.18 = 5,923.32/x
  3. Step 3: Cross multiply
    8,757.24x = 12,087.18 × 5,923.32
  4. Step 4: Simplify right side
    8,757.24x = 71,596,235.04
  5. Step 5: Solve for x
    x = 71,596,235.04/8,757.24
  6. Step 6: Final answer
    x = 8,175.66

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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.