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Finding the Fourth Proportional to 60,853.69, 91,289.17 and 18,737.27

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Solution

The fourth proportional to 60,853.69, 91,289.17 and 18,737.27 is: 28,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,853.69 : 91,289.17 = 18,737.27 : x
  2. Step 2: Convert to fraction form
    60,853.69/91,289.17 = 18,737.27/x
  3. Step 3: Cross multiply
    60,853.69x = 91,289.17 × 18,737.27
  4. Step 4: Simplify right side
    60,853.69x = 1,710,509,826.37
  5. Step 5: Solve for x
    x = 1,710,509,826.37/60,853.69
  6. Step 6: Final answer
    x = 28,108.56

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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.