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Finding the Fourth Proportional to 60,745.65, 91,124.15 and 22,784.81

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Solution

The fourth proportional to 60,745.65, 91,124.15 and 22,784.81 is: 34,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,745.65 : 91,124.15 = 22,784.81 : x
  2. Step 2: Convert to fraction form
    60,745.65/91,124.15 = 22,784.81/x
  3. Step 3: Cross multiply
    60,745.65x = 91,124.15 × 22,784.81
  4. Step 4: Simplify right side
    60,745.65x = 2,076,245,874.62
  5. Step 5: Solve for x
    x = 2,076,245,874.62/60,745.65
  6. Step 6: Final answer
    x = 34,179.33

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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.