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Finding the Fourth Proportional to 62,760.50, 86,617.17 and 36,264.50

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Solution

The fourth proportional to 62,760.50, 86,617.17 and 36,264.50 is: 50,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,760.50 : 86,617.17 = 36,264.50 : x
  2. Step 2: Convert to fraction form
    62,760.50/86,617.17 = 36,264.50/x
  3. Step 3: Cross multiply
    62,760.50x = 86,617.17 × 36,264.50
  4. Step 4: Simplify right side
    62,760.50x = 3,141,128,361.47
  5. Step 5: Solve for x
    x = 3,141,128,361.47/62,760.50
  6. Step 6: Final answer
    x = 50,049.45

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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.