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Finding the Fourth Proportional to 2,416.52, 3,625.26 and 1,377

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Solution

The fourth proportional to 2,416.52, 3,625.26 and 1,377 is: 2,065.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.52 : 3,625.26 = 1,377 : x
  2. Step 2: Convert to fraction form
    2,416.52/3,625.26 = 1,377/x
  3. Step 3: Cross multiply
    2,416.52x = 3,625.26 × 1,377
  4. Step 4: Simplify right side
    2,416.52x = 4,991,983.02
  5. Step 5: Solve for x
    x = 4,991,983.02/2,416.52
  6. Step 6: Final answer
    x = 2,065.77

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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.