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Finding the Fourth Proportional to 6,691.51, 9,232.48 and 3,820.26

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Solution

The fourth proportional to 6,691.51, 9,232.48 and 3,820.26 is: 5,270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.51 : 9,232.48 = 3,820.26 : x
  2. Step 2: Convert to fraction form
    6,691.51/9,232.48 = 3,820.26/x
  3. Step 3: Cross multiply
    6,691.51x = 9,232.48 × 3,820.26
  4. Step 4: Simplify right side
    6,691.51x = 35,270,513.44
  5. Step 5: Solve for x
    x = 35,270,513.44/6,691.51
  6. Step 6: Final answer
    x = 5,270.93

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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.