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Finding the Fourth Proportional to 64,889.74, 89,564.07 and 36,611.83

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Solution

The fourth proportional to 64,889.74, 89,564.07 and 36,611.83 is: 50,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,889.74 : 89,564.07 = 36,611.83 : x
  2. Step 2: Convert to fraction form
    64,889.74/89,564.07 = 36,611.83/x
  3. Step 3: Cross multiply
    64,889.74x = 89,564.07 × 36,611.83
  4. Step 4: Simplify right side
    64,889.74x = 3,279,104,504.95
  5. Step 5: Solve for x
    x = 3,279,104,504.95/64,889.74
  6. Step 6: Final answer
    x = 50,533.48

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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.