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Finding the Fourth Proportional to 64,350.78, 88,806.52 and 36,055.50

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Solution

The fourth proportional to 64,350.78, 88,806.52 and 36,055.50 is: 49,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,350.78 : 88,806.52 = 36,055.50 : x
  2. Step 2: Convert to fraction form
    64,350.78/88,806.52 = 36,055.50/x
  3. Step 3: Cross multiply
    64,350.78x = 88,806.52 × 36,055.50
  4. Step 4: Simplify right side
    64,350.78x = 3,201,963,481.86
  5. Step 5: Solve for x
    x = 3,201,963,481.86/64,350.78
  6. Step 6: Final answer
    x = 49,757.96

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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.