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Finding the Fourth Proportional to 69,518.79, 95,935.68 and 37,687.68

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Solution

The fourth proportional to 69,518.79, 95,935.68 and 37,687.68 is: 52,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,518.79 : 95,935.68 = 37,687.68 : x
  2. Step 2: Convert to fraction form
    69,518.79/95,935.68 = 37,687.68/x
  3. Step 3: Cross multiply
    69,518.79x = 95,935.68 × 37,687.68
  4. Step 4: Simplify right side
    69,518.79x = 3,615,593,208.42
  5. Step 5: Solve for x
    x = 3,615,593,208.42/69,518.79
  6. Step 6: Final answer
    x = 52,008.86

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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.