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Finding the Fourth Proportional to 62,659.53, 86,462.16 and 35,803.78

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Solution

The fourth proportional to 62,659.53, 86,462.16 and 35,803.78 is: 49,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,659.53 : 86,462.16 = 35,803.78 : x
  2. Step 2: Convert to fraction form
    62,659.53/86,462.16 = 35,803.78/x
  3. Step 3: Cross multiply
    62,659.53x = 86,462.16 × 35,803.78
  4. Step 4: Simplify right side
    62,659.53x = 3,095,672,154.96
  5. Step 5: Solve for x
    x = 3,095,672,154.96/62,659.53
  6. Step 6: Final answer
    x = 49,404.65

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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.