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Finding the Fourth Proportional to 6,993.52, 10,490.24 and 1,799.40

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Solution

The fourth proportional to 6,993.52, 10,490.24 and 1,799.40 is: 2,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,993.52 : 10,490.24 = 1,799.40 : x
  2. Step 2: Convert to fraction form
    6,993.52/10,490.24 = 1,799.40/x
  3. Step 3: Cross multiply
    6,993.52x = 10,490.24 × 1,799.40
  4. Step 4: Simplify right side
    6,993.52x = 18,876,137.86
  5. Step 5: Solve for x
    x = 18,876,137.86/6,993.52
  6. Step 6: Final answer
    x = 2,699.09

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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.