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Finding the Fourth Proportional to 45,426, 62,687.92 and 25,554

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Solution

The fourth proportional to 45,426, 62,687.92 and 25,554 is: 35,264.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,426 : 62,687.92 = 25,554 : x
  2. Step 2: Convert to fraction form
    45,426/62,687.92 = 25,554/x
  3. Step 3: Cross multiply
    45,426x = 62,687.92 × 25,554
  4. Step 4: Simplify right side
    45,426x = 1,601,927,107.68
  5. Step 5: Solve for x
    x = 1,601,927,107.68/45,426
  6. Step 6: Final answer
    x = 35,264.54

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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.