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Finding the Fourth Proportional to 58,610.73, 87,927.05 and 19,169.98

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Solution

The fourth proportional to 58,610.73, 87,927.05 and 19,169.98 is: 28,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,610.73 : 87,927.05 = 19,169.98 : x
  2. Step 2: Convert to fraction form
    58,610.73/87,927.05 = 19,169.98/x
  3. Step 3: Cross multiply
    58,610.73x = 87,927.05 × 19,169.98
  4. Step 4: Simplify right side
    58,610.73x = 1,685,559,789.96
  5. Step 5: Solve for x
    x = 1,685,559,789.96/58,610.73
  6. Step 6: Final answer
    x = 28,758.55

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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.