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Finding the Fourth Proportional to 57,917.04, 79,927.20 and 32,766

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Solution

The fourth proportional to 57,917.04, 79,927.20 and 32,766 is: 45,218.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,917.04 : 79,927.20 = 32,766 : x
  2. Step 2: Convert to fraction form
    57,917.04/79,927.20 = 32,766/x
  3. Step 3: Cross multiply
    57,917.04x = 79,927.20 × 32,766
  4. Step 4: Simplify right side
    57,917.04x = 2,618,894,635.20
  5. Step 5: Solve for x
    x = 2,618,894,635.20/57,917.04
  6. Step 6: Final answer
    x = 45,218.03

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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.