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Finding the Fourth Proportional to 57,975.75, 80,006.63 and 32,830.11

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Solution

The fourth proportional to 57,975.75, 80,006.63 and 32,830.11 is: 45,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,975.75 : 80,006.63 = 32,830.11 : x
  2. Step 2: Convert to fraction form
    57,975.75/80,006.63 = 32,830.11/x
  3. Step 3: Cross multiply
    57,975.75x = 80,006.63 × 32,830.11
  4. Step 4: Simplify right side
    57,975.75x = 2,626,626,299.48
  5. Step 5: Solve for x
    x = 2,626,626,299.48/57,975.75
  6. Step 6: Final answer
    x = 45,305.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.