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Finding the Fourth Proportional to 3,772.98, 5,682.29 and 3,365.82

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Solution

The fourth proportional to 3,772.98, 5,682.29 and 3,365.82 is: 5,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.98 : 5,682.29 = 3,365.82 : x
  2. Step 2: Convert to fraction form
    3,772.98/5,682.29 = 3,365.82/x
  3. Step 3: Cross multiply
    3,772.98x = 5,682.29 × 3,365.82
  4. Step 4: Simplify right side
    3,772.98x = 19,125,548.50
  5. Step 5: Solve for x
    x = 19,125,548.50/3,772.98
  6. Step 6: Final answer
    x = 5,069.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.