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Finding the Fourth Proportional to 64,999.37, 89,698.01 and 36,319.61

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Solution

The fourth proportional to 64,999.37, 89,698.01 and 36,319.61 is: 50,120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,999.37 : 89,698.01 = 36,319.61 : x
  2. Step 2: Convert to fraction form
    64,999.37/89,698.01 = 36,319.61/x
  3. Step 3: Cross multiply
    64,999.37x = 89,698.01 × 36,319.61
  4. Step 4: Simplify right side
    64,999.37x = 3,257,796,783.62
  5. Step 5: Solve for x
    x = 3,257,796,783.62/64,999.37
  6. Step 6: Final answer
    x = 50,120.43

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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.