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Finding the Fourth Proportional to 6,141.84, 9,211.14 and 1,759.47

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Solution

The fourth proportional to 6,141.84, 9,211.14 and 1,759.47 is: 2,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.84 : 9,211.14 = 1,759.47 : x
  2. Step 2: Convert to fraction form
    6,141.84/9,211.14 = 1,759.47/x
  3. Step 3: Cross multiply
    6,141.84x = 9,211.14 × 1,759.47
  4. Step 4: Simplify right side
    6,141.84x = 16,206,724.50
  5. Step 5: Solve for x
    x = 16,206,724.50/6,141.84
  6. Step 6: Final answer
    x = 2,638.74

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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.