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Finding the Fourth Proportional to 62,435.70, 86,151.60 and 35,579.34

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Solution

The fourth proportional to 62,435.70, 86,151.60 and 35,579.34 is: 49,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,435.70 : 86,151.60 = 35,579.34 : x
  2. Step 2: Convert to fraction form
    62,435.70/86,151.60 = 35,579.34/x
  3. Step 3: Cross multiply
    62,435.70x = 86,151.60 × 35,579.34
  4. Step 4: Simplify right side
    62,435.70x = 3,065,217,067.94
  5. Step 5: Solve for x
    x = 3,065,217,067.94/62,435.70
  6. Step 6: Final answer
    x = 49,093.98

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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.