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Finding the Fourth Proportional to 69,489.91, 95,929.14 and 46,559.22

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Solution

The fourth proportional to 69,489.91, 95,929.14 and 46,559.22 is: 64,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,489.91 : 95,929.14 = 46,559.22 : x
  2. Step 2: Convert to fraction form
    69,489.91/95,929.14 = 46,559.22/x
  3. Step 3: Cross multiply
    69,489.91x = 95,929.14 × 46,559.22
  4. Step 4: Simplify right side
    69,489.91x = 4,466,385,933.67
  5. Step 5: Solve for x
    x = 4,466,385,933.67/69,489.91
  6. Step 6: Final answer
    x = 64,273.88

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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.