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Finding the Fourth Proportional to 58,342.17, 87,498.66 and 16,789.17

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Solution

The fourth proportional to 58,342.17, 87,498.66 and 16,789.17 is: 25,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,342.17 : 87,498.66 = 16,789.17 : x
  2. Step 2: Convert to fraction form
    58,342.17/87,498.66 = 16,789.17/x
  3. Step 3: Cross multiply
    58,342.17x = 87,498.66 × 16,789.17
  4. Step 4: Simplify right side
    58,342.17x = 1,469,029,877.51
  5. Step 5: Solve for x
    x = 1,469,029,877.51/58,342.17
  6. Step 6: Final answer
    x = 25,179.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.