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Finding the Fourth Proportional to 58,416.50, 87,626.37 and 16,863.50

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Solution

The fourth proportional to 58,416.50, 87,626.37 and 16,863.50 is: 25,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,416.50 : 87,626.37 = 16,863.50 : x
  2. Step 2: Convert to fraction form
    58,416.50/87,626.37 = 16,863.50/x
  3. Step 3: Cross multiply
    58,416.50x = 87,626.37 × 16,863.50
  4. Step 4: Simplify right side
    58,416.50x = 1,477,687,290.50
  5. Step 5: Solve for x
    x = 1,477,687,290.50/58,416.50
  6. Step 6: Final answer
    x = 25,295.72

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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.