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Finding the Fourth Proportional to 49,677.63, 68,531.04 and 29,520.25

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Solution

The fourth proportional to 49,677.63, 68,531.04 and 29,520.25 is: 40,723.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,677.63 : 68,531.04 = 29,520.25 : x
  2. Step 2: Convert to fraction form
    49,677.63/68,531.04 = 29,520.25/x
  3. Step 3: Cross multiply
    49,677.63x = 68,531.04 × 29,520.25
  4. Step 4: Simplify right side
    49,677.63x = 2,023,053,179.21
  5. Step 5: Solve for x
    x = 2,023,053,179.21/49,677.63
  6. Step 6: Final answer
    x = 40,723.63

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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.