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Finding the Fourth Proportional to 3,499.95, 5,249.91 and 3,324.77

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Solution

The fourth proportional to 3,499.95, 5,249.91 and 3,324.77 is: 4,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.95 : 5,249.91 = 3,324.77 : x
  2. Step 2: Convert to fraction form
    3,499.95/5,249.91 = 3,324.77/x
  3. Step 3: Cross multiply
    3,499.95x = 5,249.91 × 3,324.77
  4. Step 4: Simplify right side
    3,499.95x = 17,454,717.02
  5. Step 5: Solve for x
    x = 17,454,717.02/3,499.95
  6. Step 6: Final answer
    x = 4,987.13

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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.