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Finding the Fourth Proportional to 6,087.81, 9,128.15 and 2,963.87

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Solution

The fourth proportional to 6,087.81, 9,128.15 and 2,963.87 is: 4,444.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,087.81 : 9,128.15 = 2,963.87 : x
  2. Step 2: Convert to fraction form
    6,087.81/9,128.15 = 2,963.87/x
  3. Step 3: Cross multiply
    6,087.81x = 9,128.15 × 2,963.87
  4. Step 4: Simplify right side
    6,087.81x = 27,054,604.30
  5. Step 5: Solve for x
    x = 27,054,604.30/6,087.81
  6. Step 6: Final answer
    x = 4,444.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.