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Finding the Fourth Proportional to 3,398.76, 5,097.54 and 899.97

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Solution

The fourth proportional to 3,398.76, 5,097.54 and 899.97 is: 1,349.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.76 : 5,097.54 = 899.97 : x
  2. Step 2: Convert to fraction form
    3,398.76/5,097.54 = 899.97/x
  3. Step 3: Cross multiply
    3,398.76x = 5,097.54 × 899.97
  4. Step 4: Simplify right side
    3,398.76x = 4,587,610.58
  5. Step 5: Solve for x
    x = 4,587,610.58/3,398.76
  6. Step 6: Final answer
    x = 1,349.79

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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.