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Finding the Fourth Proportional to 77,247.54, 115,883.01 and 27,328.20

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Solution

The fourth proportional to 77,247.54, 115,883.01 and 27,328.20 is: 40,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,247.54 : 115,883.01 = 27,328.20 : x
  2. Step 2: Convert to fraction form
    77,247.54/115,883.01 = 27,328.20/x
  3. Step 3: Cross multiply
    77,247.54x = 115,883.01 × 27,328.20
  4. Step 4: Simplify right side
    77,247.54x = 3,166,874,073.88
  5. Step 5: Solve for x
    x = 3,166,874,073.88/77,247.54
  6. Step 6: Final answer
    x = 40,996.44

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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.