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Finding the Fourth Proportional to 43,398.78, 59,896.70 and 27,484.71

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Solution

The fourth proportional to 43,398.78, 59,896.70 and 27,484.71 is: 37,932.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,398.78 : 59,896.70 = 27,484.71 : x
  2. Step 2: Convert to fraction form
    43,398.78/59,896.70 = 27,484.71/x
  3. Step 3: Cross multiply
    43,398.78x = 59,896.70 × 27,484.71
  4. Step 4: Simplify right side
    43,398.78x = 1,646,243,429.46
  5. Step 5: Solve for x
    x = 1,646,243,429.46/43,398.78
  6. Step 6: Final answer
    x = 37,932.94

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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.