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Finding the Fourth Proportional to 64,879.41, 89,533.44 and 36,584.90

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Solution

The fourth proportional to 64,879.41, 89,533.44 and 36,584.90 is: 50,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,879.41 : 89,533.44 = 36,584.90 : x
  2. Step 2: Convert to fraction form
    64,879.41/89,533.44 = 36,584.90/x
  3. Step 3: Cross multiply
    64,879.41x = 89,533.44 × 36,584.90
  4. Step 4: Simplify right side
    64,879.41x = 3,275,571,501.39
  5. Step 5: Solve for x
    x = 3,275,571,501.39/64,879.41
  6. Step 6: Final answer
    x = 50,487.07

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1.5x scale

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.