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Finding the Fourth Proportional to 58,633.72, 87,958.80 and 19,193.96

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Solution

The fourth proportional to 58,633.72, 87,958.80 and 19,193.96 is: 28,793.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,633.72 : 87,958.80 = 19,193.96 : x
  2. Step 2: Convert to fraction form
    58,633.72/87,958.80 = 19,193.96/x
  3. Step 3: Cross multiply
    58,633.72x = 87,958.80 × 19,193.96
  4. Step 4: Simplify right side
    58,633.72x = 1,688,277,688.85
  5. Step 5: Solve for x
    x = 1,688,277,688.85/58,633.72
  6. Step 6: Final answer
    x = 28,793.63

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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.