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Finding the Fourth Proportional to 60,772.40, 91,173.27 and 22,821.98

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Solution

The fourth proportional to 60,772.40, 91,173.27 and 22,821.98 is: 34,238.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,772.40 : 91,173.27 = 22,821.98 : x
  2. Step 2: Convert to fraction form
    60,772.40/91,173.27 = 22,821.98/x
  3. Step 3: Cross multiply
    60,772.40x = 91,173.27 × 22,821.98
  4. Step 4: Simplify right side
    60,772.40x = 2,080,754,544.47
  5. Step 5: Solve for x
    x = 2,080,754,544.47/60,772.40
  6. Step 6: Final answer
    x = 34,238.48

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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.