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Finding the Fourth Proportional to 73,902.70, 110,832.45 and 26,512.30

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Solution

The fourth proportional to 73,902.70, 110,832.45 and 26,512.30 is: 39,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,902.70 : 110,832.45 = 26,512.30 : x
  2. Step 2: Convert to fraction form
    73,902.70/110,832.45 = 26,512.30/x
  3. Step 3: Cross multiply
    73,902.70x = 110,832.45 × 26,512.30
  4. Step 4: Simplify right side
    73,902.70x = 2,938,423,164.14
  5. Step 5: Solve for x
    x = 2,938,423,164.14/73,902.70
  6. Step 6: Final answer
    x = 39,760.70

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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.