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Finding the Fourth Proportional to 6,705.69, 9,253.85 and 3,722.01

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Solution

The fourth proportional to 6,705.69, 9,253.85 and 3,722.01 is: 5,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,705.69 : 9,253.85 = 3,722.01 : x
  2. Step 2: Convert to fraction form
    6,705.69/9,253.85 = 3,722.01/x
  3. Step 3: Cross multiply
    6,705.69x = 9,253.85 × 3,722.01
  4. Step 4: Simplify right side
    6,705.69x = 34,442,922.24
  5. Step 5: Solve for x
    x = 34,442,922.24/6,705.69
  6. Step 6: Final answer
    x = 5,136.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.