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Finding the Fourth Proportional to 45,644.40, 68,466.60 and 25,961.40

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Solution

The fourth proportional to 45,644.40, 68,466.60 and 25,961.40 is: 38,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,644.40 : 68,466.60 = 25,961.40 : x
  2. Step 2: Convert to fraction form
    45,644.40/68,466.60 = 25,961.40/x
  3. Step 3: Cross multiply
    45,644.40x = 68,466.60 × 25,961.40
  4. Step 4: Simplify right side
    45,644.40x = 1,777,488,789.24
  5. Step 5: Solve for x
    x = 1,777,488,789.24/45,644.40
  6. Step 6: Final answer
    x = 38,942.10

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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.