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Finding the Fourth Proportional to 3,643.37, 5,466 and 1,046.51

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Solution

The fourth proportional to 3,643.37, 5,466 and 1,046.51 is: 1,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.37 : 5,466 = 1,046.51 : x
  2. Step 2: Convert to fraction form
    3,643.37/5,466 = 1,046.51/x
  3. Step 3: Cross multiply
    3,643.37x = 5,466 × 1,046.51
  4. Step 4: Simplify right side
    3,643.37x = 5,720,223.66
  5. Step 5: Solve for x
    x = 5,720,223.66/3,643.37
  6. Step 6: Final answer
    x = 1,570.04

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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.