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Finding the Fourth Proportional to 3,468.05, 4,786.80 and 2,333.91

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Solution

The fourth proportional to 3,468.05, 4,786.80 and 2,333.91 is: 3,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.05 : 4,786.80 = 2,333.91 : x
  2. Step 2: Convert to fraction form
    3,468.05/4,786.80 = 2,333.91/x
  3. Step 3: Cross multiply
    3,468.05x = 4,786.80 × 2,333.91
  4. Step 4: Simplify right side
    3,468.05x = 11,171,969.59
  5. Step 5: Solve for x
    x = 11,171,969.59/3,468.05
  6. Step 6: Final answer
    x = 3,221.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.