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Finding the Fourth Proportional to 42,295, 58,369.55 and 23,174.81

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Solution

The fourth proportional to 42,295, 58,369.55 and 23,174.81 is: 31,982.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,295 : 58,369.55 = 23,174.81 : x
  2. Step 2: Convert to fraction form
    42,295/58,369.55 = 23,174.81/x
  3. Step 3: Cross multiply
    42,295x = 58,369.55 × 23,174.81
  4. Step 4: Simplify right side
    42,295x = 1,352,703,231.04
  5. Step 5: Solve for x
    x = 1,352,703,231.04/42,295
  6. Step 6: Final answer
    x = 31,982.58

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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.