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Finding the Fourth Proportional to 13,066, 19,602.26 and 3,832

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Solution

The fourth proportional to 13,066, 19,602.26 and 3,832 is: 5,748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066 : 19,602.26 = 3,832 : x
  2. Step 2: Convert to fraction form
    13,066/19,602.26 = 3,832/x
  3. Step 3: Cross multiply
    13,066x = 19,602.26 × 3,832
  4. Step 4: Simplify right side
    13,066x = 75,115,841.16
  5. Step 5: Solve for x
    x = 75,115,841.16/13,066
  6. Step 6: Final answer
    x = 5,748.95

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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.