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Finding the Fourth Proportional to 3,508.98, 5,288.51 and 3,508.98

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Solution

The fourth proportional to 3,508.98, 5,288.51 and 3,508.98 is: 5,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.98 : 5,288.51 = 3,508.98 : x
  2. Step 2: Convert to fraction form
    3,508.98/5,288.51 = 3,508.98/x
  3. Step 3: Cross multiply
    3,508.98x = 5,288.51 × 3,508.98
  4. Step 4: Simplify right side
    3,508.98x = 18,557,258.27
  5. Step 5: Solve for x
    x = 18,557,258.27/3,508.98
  6. Step 6: Final answer
    x = 5,288.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.