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Finding the Fourth Proportional to 34,754.39, 47,963.13 and 19,648.46

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Solution

The fourth proportional to 34,754.39, 47,963.13 and 19,648.46 is: 27,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,754.39 : 47,963.13 = 19,648.46 : x
  2. Step 2: Convert to fraction form
    34,754.39/47,963.13 = 19,648.46/x
  3. Step 3: Cross multiply
    34,754.39x = 47,963.13 × 19,648.46
  4. Step 4: Simplify right side
    34,754.39x = 942,401,395.87
  5. Step 5: Solve for x
    x = 942,401,395.87/34,754.39
  6. Step 6: Final answer
    x = 27,116.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.