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Finding the Fourth Proportional to 45,805.52, 63,215.44 and 25,662

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Solution

The fourth proportional to 45,805.52, 63,215.44 and 25,662 is: 35,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,805.52 : 63,215.44 = 25,662 : x
  2. Step 2: Convert to fraction form
    45,805.52/63,215.44 = 25,662/x
  3. Step 3: Cross multiply
    45,805.52x = 63,215.44 × 25,662
  4. Step 4: Simplify right side
    45,805.52x = 1,622,234,621.28
  5. Step 5: Solve for x
    x = 1,622,234,621.28/45,805.52
  6. Step 6: Final answer
    x = 35,415.70

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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.