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Finding the Fourth Proportional to 91,644.62, 137,466.81 and 25,085.30

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Solution

The fourth proportional to 91,644.62, 137,466.81 and 25,085.30 is: 37,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,644.62 : 137,466.81 = 25,085.30 : x
  2. Step 2: Convert to fraction form
    91,644.62/137,466.81 = 25,085.30/x
  3. Step 3: Cross multiply
    91,644.62x = 137,466.81 × 25,085.30
  4. Step 4: Simplify right side
    91,644.62x = 3,448,395,481.56
  5. Step 5: Solve for x
    x = 3,448,395,481.56/91,644.62
  6. Step 6: Final answer
    x = 37,627.91

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1.5x scale

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.