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Finding the Fourth Proportional to 57,663.54, 79,578.45 and 32,512.50

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Solution

The fourth proportional to 57,663.54, 79,578.45 and 32,512.50 is: 44,868.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,663.54 : 79,578.45 = 32,512.50 : x
  2. Step 2: Convert to fraction form
    57,663.54/79,578.45 = 32,512.50/x
  3. Step 3: Cross multiply
    57,663.54x = 79,578.45 × 32,512.50
  4. Step 4: Simplify right side
    57,663.54x = 2,587,294,355.63
  5. Step 5: Solve for x
    x = 2,587,294,355.63/57,663.54
  6. Step 6: Final answer
    x = 44,868.81

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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.