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Finding the Fourth Proportional to 2,666.62, 3,671.58 and 2,267.49

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Solution

The fourth proportional to 2,666.62, 3,671.58 and 2,267.49 is: 3,122.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.62 : 3,671.58 = 2,267.49 : x
  2. Step 2: Convert to fraction form
    2,666.62/3,671.58 = 2,267.49/x
  3. Step 3: Cross multiply
    2,666.62x = 3,671.58 × 2,267.49
  4. Step 4: Simplify right side
    2,666.62x = 8,325,280.45
  5. Step 5: Solve for x
    x = 8,325,280.45/2,666.62
  6. Step 6: Final answer
    x = 3,122.03

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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.