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Finding the Fourth Proportional to 48,917.22, 67,505.79 and 26,561.22

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Solution

The fourth proportional to 48,917.22, 67,505.79 and 26,561.22 is: 36,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,917.22 : 67,505.79 = 26,561.22 : x
  2. Step 2: Convert to fraction form
    48,917.22/67,505.79 = 26,561.22/x
  3. Step 3: Cross multiply
    48,917.22x = 67,505.79 × 26,561.22
  4. Step 4: Simplify right side
    48,917.22x = 1,793,036,139.46
  5. Step 5: Solve for x
    x = 1,793,036,139.46/48,917.22
  6. Step 6: Final answer
    x = 36,654.50

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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.