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Finding the Fourth Proportional to 58,046.98, 87,083.00 and 18,065.18

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Solution

The fourth proportional to 58,046.98, 87,083.00 and 18,065.18 is: 27,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,046.98 : 87,083.00 = 18,065.18 : x
  2. Step 2: Convert to fraction form
    58,046.98/87,083.00 = 18,065.18/x
  3. Step 3: Cross multiply
    58,046.98x = 87,083.00 × 18,065.18
  4. Step 4: Simplify right side
    58,046.98x = 1,573,169,775.22
  5. Step 5: Solve for x
    x = 1,573,169,775.22/58,046.98
  6. Step 6: Final answer
    x = 27,101.66

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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.