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Finding the Fourth Proportional to 58,965.28, 81,371.28 and 32,108.04

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Solution

The fourth proportional to 58,965.28, 81,371.28 and 32,108.04 is: 44,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,965.28 : 81,371.28 = 32,108.04 : x
  2. Step 2: Convert to fraction form
    58,965.28/81,371.28 = 32,108.04/x
  3. Step 3: Cross multiply
    58,965.28x = 81,371.28 × 32,108.04
  4. Step 4: Simplify right side
    58,965.28x = 2,612,672,313.09
  5. Step 5: Solve for x
    x = 2,612,672,313.09/58,965.28
  6. Step 6: Final answer
    x = 44,308.66

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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.