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Finding the Fourth Proportional to 49,398.50, 68,169.93 and 27,042.50

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Solution

The fourth proportional to 49,398.50, 68,169.93 and 27,042.50 is: 37,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,398.50 : 68,169.93 = 27,042.50 : x
  2. Step 2: Convert to fraction form
    49,398.50/68,169.93 = 27,042.50/x
  3. Step 3: Cross multiply
    49,398.50x = 68,169.93 × 27,042.50
  4. Step 4: Simplify right side
    49,398.50x = 1,843,485,332.03
  5. Step 5: Solve for x
    x = 1,843,485,332.03/49,398.50
  6. Step 6: Final answer
    x = 37,318.65

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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.