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Finding the Fourth Proportional to 62,813.98, 86,678.22 and 35,950.36

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Solution

The fourth proportional to 62,813.98, 86,678.22 and 35,950.36 is: 49,608.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,813.98 : 86,678.22 = 35,950.36 : x
  2. Step 2: Convert to fraction form
    62,813.98/86,678.22 = 35,950.36/x
  3. Step 3: Cross multiply
    62,813.98x = 86,678.22 × 35,950.36
  4. Step 4: Simplify right side
    62,813.98x = 3,116,113,213.16
  5. Step 5: Solve for x
    x = 3,116,113,213.16/62,813.98
  6. Step 6: Final answer
    x = 49,608.59

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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.