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Finding the Fourth Proportional to 64,537.46, 89,062.82 and 35,859.74

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Solution

The fourth proportional to 64,537.46, 89,062.82 and 35,859.74 is: 49,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,537.46 : 89,062.82 = 35,859.74 : x
  2. Step 2: Convert to fraction form
    64,537.46/89,062.82 = 35,859.74/x
  3. Step 3: Cross multiply
    64,537.46x = 89,062.82 × 35,859.74
  4. Step 4: Simplify right side
    64,537.46x = 3,193,769,568.87
  5. Step 5: Solve for x
    x = 3,193,769,568.87/64,537.46
  6. Step 6: Final answer
    x = 49,487.07

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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.