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Finding the Fourth Proportional to 7,498.80, 11,249.88 and 2,568.24

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Solution

The fourth proportional to 7,498.80, 11,249.88 and 2,568.24 is: 3,852.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498.80 : 11,249.88 = 2,568.24 : x
  2. Step 2: Convert to fraction form
    7,498.80/11,249.88 = 2,568.24/x
  3. Step 3: Cross multiply
    7,498.80x = 11,249.88 × 2,568.24
  4. Step 4: Simplify right side
    7,498.80x = 28,892,391.81
  5. Step 5: Solve for x
    x = 28,892,391.81/7,498.80
  6. Step 6: Final answer
    x = 3,852.94

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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.