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Finding the Fourth Proportional to 5,696.49, 8,544.78 and 1,998.80

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Solution

The fourth proportional to 5,696.49, 8,544.78 and 1,998.80 is: 2,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,696.49 : 8,544.78 = 1,998.80 : x
  2. Step 2: Convert to fraction form
    5,696.49/8,544.78 = 1,998.80/x
  3. Step 3: Cross multiply
    5,696.49x = 8,544.78 × 1,998.80
  4. Step 4: Simplify right side
    5,696.49x = 17,079,306.26
  5. Step 5: Solve for x
    x = 17,079,306.26/5,696.49
  6. Step 6: Final answer
    x = 2,998.22

Related Problems

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Double scale
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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.