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Finding the Fourth Proportional to 3,671.91, 5,508.27 and 1,333.01

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Solution

The fourth proportional to 3,671.91, 5,508.27 and 1,333.01 is: 1,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.91 : 5,508.27 = 1,333.01 : x
  2. Step 2: Convert to fraction form
    3,671.91/5,508.27 = 1,333.01/x
  3. Step 3: Cross multiply
    3,671.91x = 5,508.27 × 1,333.01
  4. Step 4: Simplify right side
    3,671.91x = 7,342,578.99
  5. Step 5: Solve for x
    x = 7,342,578.99/3,671.91
  6. Step 6: Final answer
    x = 1,999.66

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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.