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Finding the Fourth Proportional to 2,069.88, 3,104.82 and 1,966.06

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Solution

The fourth proportional to 2,069.88, 3,104.82 and 1,966.06 is: 2,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.88 : 3,104.82 = 1,966.06 : x
  2. Step 2: Convert to fraction form
    2,069.88/3,104.82 = 1,966.06/x
  3. Step 3: Cross multiply
    2,069.88x = 3,104.82 × 1,966.06
  4. Step 4: Simplify right side
    2,069.88x = 6,104,262.41
  5. Step 5: Solve for x
    x = 6,104,262.41/2,069.88
  6. Step 6: Final answer
    x = 2,949.10

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Double scale
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Similar ratio
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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.