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Finding the Fourth Proportional to 63,940.74, 88,237.76 and 35,646.62

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Solution

The fourth proportional to 63,940.74, 88,237.76 and 35,646.62 is: 49,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,940.74 : 88,237.76 = 35,646.62 : x
  2. Step 2: Convert to fraction form
    63,940.74/88,237.76 = 35,646.62/x
  3. Step 3: Cross multiply
    63,940.74x = 88,237.76 × 35,646.62
  4. Step 4: Simplify right side
    63,940.74x = 3,145,377,900.37
  5. Step 5: Solve for x
    x = 3,145,377,900.37/63,940.74
  6. Step 6: Final answer
    x = 49,192.08

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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.