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Finding the Fourth Proportional to 43,642.86, 65,483.73 and 22,861.50

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Solution

The fourth proportional to 43,642.86, 65,483.73 and 22,861.50 is: 34,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,642.86 : 65,483.73 = 22,861.50 : x
  2. Step 2: Convert to fraction form
    43,642.86/65,483.73 = 22,861.50/x
  3. Step 3: Cross multiply
    43,642.86x = 65,483.73 × 22,861.50
  4. Step 4: Simplify right side
    43,642.86x = 1,497,056,293.40
  5. Step 5: Solve for x
    x = 1,497,056,293.40/43,642.86
  6. Step 6: Final answer
    x = 34,302.43

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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.