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Finding the Fourth Proportional to 45,513, 62,807.31 and 25,371.54

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Solution

The fourth proportional to 45,513, 62,807.31 and 25,371.54 is: 35,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,513 : 62,807.31 = 25,371.54 : x
  2. Step 2: Convert to fraction form
    45,513/62,807.31 = 25,371.54/x
  3. Step 3: Cross multiply
    45,513x = 62,807.31 × 25,371.54
  4. Step 4: Simplify right side
    45,513x = 1,593,518,177.96
  5. Step 5: Solve for x
    x = 1,593,518,177.96/45,513
  6. Step 6: Final answer
    x = 35,012.37

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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.