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Finding the Fourth Proportional to 49,992.32, 68,996.92 and 28,767.49

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Solution

The fourth proportional to 49,992.32, 68,996.92 and 28,767.49 is: 39,703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,992.32 : 68,996.92 = 28,767.49 : x
  2. Step 2: Convert to fraction form
    49,992.32/68,996.92 = 28,767.49/x
  3. Step 3: Cross multiply
    49,992.32x = 68,996.92 × 28,767.49
  4. Step 4: Simplify right side
    49,992.32x = 1,984,867,961.72
  5. Step 5: Solve for x
    x = 1,984,867,961.72/49,992.32
  6. Step 6: Final answer
    x = 39,703.46

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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.