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Finding the Fourth Proportional to 64,965.92, 97,381.68 and 35,375.68

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Solution

The fourth proportional to 64,965.92, 97,381.68 and 35,375.68 is: 53,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,965.92 : 97,381.68 = 35,375.68 : x
  2. Step 2: Convert to fraction form
    64,965.92/97,381.68 = 35,375.68/x
  3. Step 3: Cross multiply
    64,965.92x = 97,381.68 × 35,375.68
  4. Step 4: Simplify right side
    64,965.92x = 3,444,943,149.54
  5. Step 5: Solve for x
    x = 3,444,943,149.54/64,965.92
  6. Step 6: Final answer
    x = 53,026.93

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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.