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Finding the Fourth Proportional to 58,732.84, 81,018.66 and 38,593

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Solution

The fourth proportional to 58,732.84, 81,018.66 and 38,593 is: 53,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,732.84 : 81,018.66 = 38,593 : x
  2. Step 2: Convert to fraction form
    58,732.84/81,018.66 = 38,593/x
  3. Step 3: Cross multiply
    58,732.84x = 81,018.66 × 38,593
  4. Step 4: Simplify right side
    58,732.84x = 3,126,753,145.38
  5. Step 5: Solve for x
    x = 3,126,753,145.38/58,732.84
  6. Step 6: Final answer
    x = 53,236.88

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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.