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Finding the Fourth Proportional to 3,625.00, 5,411.50 and 3,465.43

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Solution

The fourth proportional to 3,625.00, 5,411.50 and 3,465.43 is: 5,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.00 : 5,411.50 = 3,465.43 : x
  2. Step 2: Convert to fraction form
    3,625.00/5,411.50 = 3,465.43/x
  3. Step 3: Cross multiply
    3,625.00x = 5,411.50 × 3,465.43
  4. Step 4: Simplify right side
    3,625.00x = 18,753,152.25
  5. Step 5: Solve for x
    x = 18,753,152.25/3,625.00
  6. Step 6: Final answer
    x = 5,173.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.