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Finding the Fourth Proportional to 7,236.41, 9,982.89 and 5,001.39

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Solution

The fourth proportional to 7,236.41, 9,982.89 and 5,001.39 is: 6,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.41 : 9,982.89 = 5,001.39 : x
  2. Step 2: Convert to fraction form
    7,236.41/9,982.89 = 5,001.39/x
  3. Step 3: Cross multiply
    7,236.41x = 9,982.89 × 5,001.39
  4. Step 4: Simplify right side
    7,236.41x = 49,928,326.22
  5. Step 5: Solve for x
    x = 49,928,326.22/7,236.41
  6. Step 6: Final answer
    x = 6,899.60

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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.