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Finding the Fourth Proportional to 64,840, 97,236.61 and 27,402.97

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Solution

The fourth proportional to 64,840, 97,236.61 and 27,402.97 is: 41,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,840 : 97,236.61 = 27,402.97 : x
  2. Step 2: Convert to fraction form
    64,840/97,236.61 = 27,402.97/x
  3. Step 3: Cross multiply
    64,840x = 97,236.61 × 27,402.97
  4. Step 4: Simplify right side
    64,840x = 2,664,571,769.72
  5. Step 5: Solve for x
    x = 2,664,571,769.72/64,840
  6. Step 6: Final answer
    x = 41,094.57

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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.