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Finding the Fourth Proportional to 3,762, 5,185.08 and 3,536.28

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Solution

The fourth proportional to 3,762, 5,185.08 and 3,536.28 is: 4,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762 : 5,185.08 = 3,536.28 : x
  2. Step 2: Convert to fraction form
    3,762/5,185.08 = 3,536.28/x
  3. Step 3: Cross multiply
    3,762x = 5,185.08 × 3,536.28
  4. Step 4: Simplify right side
    3,762x = 18,335,894.70
  5. Step 5: Solve for x
    x = 18,335,894.70/3,762
  6. Step 6: Final answer
    x = 4,873.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.