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Finding the Fourth Proportional to 7,468.99, 11,203.98 and 2,788.91

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Solution

The fourth proportional to 7,468.99, 11,203.98 and 2,788.91 is: 4,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,468.99 : 11,203.98 = 2,788.91 : x
  2. Step 2: Convert to fraction form
    7,468.99/11,203.98 = 2,788.91/x
  3. Step 3: Cross multiply
    7,468.99x = 11,203.98 × 2,788.91
  4. Step 4: Simplify right side
    7,468.99x = 31,246,891.86
  5. Step 5: Solve for x
    x = 31,246,891.86/7,468.99
  6. Step 6: Final answer
    x = 4,183.55

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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.