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Finding the Fourth Proportional to 64,912.60, 97,412.10 and 36,832.60

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Solution

The fourth proportional to 64,912.60, 97,412.10 and 36,832.60 is: 55,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,912.60 : 97,412.10 = 36,832.60 : x
  2. Step 2: Convert to fraction form
    64,912.60/97,412.10 = 36,832.60/x
  3. Step 3: Cross multiply
    64,912.60x = 97,412.10 × 36,832.60
  4. Step 4: Simplify right side
    64,912.60x = 3,587,940,914.46
  5. Step 5: Solve for x
    x = 3,587,940,914.46/64,912.60
  6. Step 6: Final answer
    x = 55,273.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.