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Finding the Fourth Proportional to 58,558.50, 87,840.18 and 17,005.50

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Solution

The fourth proportional to 58,558.50, 87,840.18 and 17,005.50 is: 25,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,558.50 : 87,840.18 = 17,005.50 : x
  2. Step 2: Convert to fraction form
    58,558.50/87,840.18 = 17,005.50/x
  3. Step 3: Cross multiply
    58,558.50x = 87,840.18 × 17,005.50
  4. Step 4: Simplify right side
    58,558.50x = 1,493,766,180.99
  5. Step 5: Solve for x
    x = 1,493,766,180.99/58,558.50
  6. Step 6: Final answer
    x = 25,508.96

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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.