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Finding the Fourth Proportional to 62,924.78, 86,816.64 and 35,696.38

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Solution

The fourth proportional to 62,924.78, 86,816.64 and 35,696.38 is: 49,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,924.78 : 86,816.64 = 35,696.38 : x
  2. Step 2: Convert to fraction form
    62,924.78/86,816.64 = 35,696.38/x
  3. Step 3: Cross multiply
    62,924.78x = 86,816.64 × 35,696.38
  4. Step 4: Simplify right side
    62,924.78x = 3,099,039,771.76
  5. Step 5: Solve for x
    x = 3,099,039,771.76/62,924.78
  6. Step 6: Final answer
    x = 49,249.91

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1.5x scale

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.