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Finding the Fourth Proportional to 57,709.88, 79,641.06 and 32,561

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Solution

The fourth proportional to 57,709.88, 79,641.06 and 32,561 is: 44,934.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,709.88 : 79,641.06 = 32,561 : x
  2. Step 2: Convert to fraction form
    57,709.88/79,641.06 = 32,561/x
  3. Step 3: Cross multiply
    57,709.88x = 79,641.06 × 32,561
  4. Step 4: Simplify right side
    57,709.88x = 2,593,192,554.66
  5. Step 5: Solve for x
    x = 2,593,192,554.66/57,709.88
  6. Step 6: Final answer
    x = 44,934.98

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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.