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Finding the Fourth Proportional to 49,957.67, 68,909.37 and 29,799

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Solution

The fourth proportional to 49,957.67, 68,909.37 and 29,799 is: 41,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,957.67 : 68,909.37 = 29,799 : x
  2. Step 2: Convert to fraction form
    49,957.67/68,909.37 = 29,799/x
  3. Step 3: Cross multiply
    49,957.67x = 68,909.37 × 29,799
  4. Step 4: Simplify right side
    49,957.67x = 2,053,430,204.88
  5. Step 5: Solve for x
    x = 2,053,430,204.88/49,957.67
  6. Step 6: Final answer
    x = 41,103.40

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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.