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Finding the Fourth Proportional to 42,580.53, 58,760.37 and 23,717.25

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Solution

The fourth proportional to 42,580.53, 58,760.37 and 23,717.25 is: 32,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,580.53 : 58,760.37 = 23,717.25 : x
  2. Step 2: Convert to fraction form
    42,580.53/58,760.37 = 23,717.25/x
  3. Step 3: Cross multiply
    42,580.53x = 58,760.37 × 23,717.25
  4. Step 4: Simplify right side
    42,580.53x = 1,393,634,385.38
  5. Step 5: Solve for x
    x = 1,393,634,385.38/42,580.53
  6. Step 6: Final answer
    x = 32,729.38

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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.