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Finding the Fourth Proportional to 64,437.44, 88,928.12 and 36,144.96

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Solution

The fourth proportional to 64,437.44, 88,928.12 and 36,144.96 is: 49,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,437.44 : 88,928.12 = 36,144.96 : x
  2. Step 2: Convert to fraction form
    64,437.44/88,928.12 = 36,144.96/x
  3. Step 3: Cross multiply
    64,437.44x = 88,928.12 × 36,144.96
  4. Step 4: Simplify right side
    64,437.44x = 3,214,303,340.28
  5. Step 5: Solve for x
    x = 3,214,303,340.28/64,437.44
  6. Step 6: Final answer
    x = 49,882.54

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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.