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Finding the Fourth Proportional to 5,759.44, 8,639.16 and 2,011.98

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Solution

The fourth proportional to 5,759.44, 8,639.16 and 2,011.98 is: 3,017.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.44 : 8,639.16 = 2,011.98 : x
  2. Step 2: Convert to fraction form
    5,759.44/8,639.16 = 2,011.98/x
  3. Step 3: Cross multiply
    5,759.44x = 8,639.16 × 2,011.98
  4. Step 4: Simplify right side
    5,759.44x = 17,381,817.14
  5. Step 5: Solve for x
    x = 17,381,817.14/5,759.44
  6. Step 6: Final answer
    x = 3,017.97

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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.