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Finding the Fourth Proportional to 60,644.53, 90,976.52 and 25,589.35

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Solution

The fourth proportional to 60,644.53, 90,976.52 and 25,589.35 is: 38,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,644.53 : 90,976.52 = 25,589.35 : x
  2. Step 2: Convert to fraction form
    60,644.53/90,976.52 = 25,589.35/x
  3. Step 3: Cross multiply
    60,644.53x = 90,976.52 × 25,589.35
  4. Step 4: Simplify right side
    60,644.53x = 2,328,030,012.06
  5. Step 5: Solve for x
    x = 2,328,030,012.06/60,644.53
  6. Step 6: Final answer
    x = 38,388.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.