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Finding the Fourth Proportional to 6,536.84, 9,021.31 and 3,848.20

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Solution

The fourth proportional to 6,536.84, 9,021.31 and 3,848.20 is: 5,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,536.84 : 9,021.31 = 3,848.20 : x
  2. Step 2: Convert to fraction form
    6,536.84/9,021.31 = 3,848.20/x
  3. Step 3: Cross multiply
    6,536.84x = 9,021.31 × 3,848.20
  4. Step 4: Simplify right side
    6,536.84x = 34,715,805.14
  5. Step 5: Solve for x
    x = 34,715,805.14/6,536.84
  6. Step 6: Final answer
    x = 5,310.79

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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.