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Finding the Fourth Proportional to 31,349.39, 43,262.03 and 17,202.47

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Solution

The fourth proportional to 31,349.39, 43,262.03 and 17,202.47 is: 23,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349.39 : 43,262.03 = 17,202.47 : x
  2. Step 2: Convert to fraction form
    31,349.39/43,262.03 = 17,202.47/x
  3. Step 3: Cross multiply
    31,349.39x = 43,262.03 × 17,202.47
  4. Step 4: Simplify right side
    31,349.39x = 744,213,599.91
  5. Step 5: Solve for x
    x = 744,213,599.91/31,349.39
  6. Step 6: Final answer
    x = 23,739.34

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