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Finding the Fourth Proportional to 64,809, 97,251.30 and 27,366.84

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Solution

The fourth proportional to 64,809, 97,251.30 and 27,366.84 is: 41,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,809 : 97,251.30 = 27,366.84 : x
  2. Step 2: Convert to fraction form
    64,809/97,251.30 = 27,366.84/x
  3. Step 3: Cross multiply
    64,809x = 97,251.30 × 27,366.84
  4. Step 4: Simplify right side
    64,809x = 2,661,460,766.89
  5. Step 5: Solve for x
    x = 2,661,460,766.89/64,809
  6. Step 6: Final answer
    x = 41,066.22

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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.