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Finding the Fourth Proportional to 3,642.82, 5,466.04 and 1,455.82

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Solution

The fourth proportional to 3,642.82, 5,466.04 and 1,455.82 is: 2,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.82 : 5,466.04 = 1,455.82 : x
  2. Step 2: Convert to fraction form
    3,642.82/5,466.04 = 1,455.82/x
  3. Step 3: Cross multiply
    3,642.82x = 5,466.04 × 1,455.82
  4. Step 4: Simplify right side
    3,642.82x = 7,957,570.35
  5. Step 5: Solve for x
    x = 7,957,570.35/3,642.82
  6. Step 6: Final answer
    x = 2,184.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.