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Finding the Fourth Proportional to 6,936.42, 9,572.22 and 3,952.23

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Solution

The fourth proportional to 6,936.42, 9,572.22 and 3,952.23 is: 5,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.42 : 9,572.22 = 3,952.23 : x
  2. Step 2: Convert to fraction form
    6,936.42/9,572.22 = 3,952.23/x
  3. Step 3: Cross multiply
    6,936.42x = 9,572.22 × 3,952.23
  4. Step 4: Simplify right side
    6,936.42x = 37,831,615.05
  5. Step 5: Solve for x
    x = 37,831,615.05/6,936.42
  6. Step 6: Final answer
    x = 5,454.05

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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.