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Finding the Fourth Proportional to 27,096.60, 40,644.90 and 25,128.30

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Solution

The fourth proportional to 27,096.60, 40,644.90 and 25,128.30 is: 37,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,096.60 : 40,644.90 = 25,128.30 : x
  2. Step 2: Convert to fraction form
    27,096.60/40,644.90 = 25,128.30/x
  3. Step 3: Cross multiply
    27,096.60x = 40,644.90 × 25,128.30
  4. Step 4: Simplify right side
    27,096.60x = 1,021,337,240.67
  5. Step 5: Solve for x
    x = 1,021,337,240.67/27,096.60
  6. Step 6: Final answer
    x = 37,692.45

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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.