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Finding the Fourth Proportional to 5,243.54, 7,867.13 and 3,495.56

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Solution

The fourth proportional to 5,243.54, 7,867.13 and 3,495.56 is: 5,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.54 : 7,867.13 = 3,495.56 : x
  2. Step 2: Convert to fraction form
    5,243.54/7,867.13 = 3,495.56/x
  3. Step 3: Cross multiply
    5,243.54x = 7,867.13 × 3,495.56
  4. Step 4: Simplify right side
    5,243.54x = 27,499,968.13
  5. Step 5: Solve for x
    x = 27,499,968.13/5,243.54
  6. Step 6: Final answer
    x = 5,244.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.