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Finding the Fourth Proportional to 50,989.93, 76,398.59 and 31,227.21

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Solution

The fourth proportional to 50,989.93, 76,398.59 and 31,227.21 is: 46,787.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,989.93 : 76,398.59 = 31,227.21 : x
  2. Step 2: Convert to fraction form
    50,989.93/76,398.59 = 31,227.21/x
  3. Step 3: Cross multiply
    50,989.93x = 76,398.59 × 31,227.21
  4. Step 4: Simplify right side
    50,989.93x = 2,385,714,891.70
  5. Step 5: Solve for x
    x = 2,385,714,891.70/50,989.93
  6. Step 6: Final answer
    x = 46,787.96

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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.