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Finding the Fourth Proportional to 64,330.82, 88,776.74 and 35,650.95

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Solution

The fourth proportional to 64,330.82, 88,776.74 and 35,650.95 is: 49,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,330.82 : 88,776.74 = 35,650.95 : x
  2. Step 2: Convert to fraction form
    64,330.82/88,776.74 = 35,650.95/x
  3. Step 3: Cross multiply
    64,330.82x = 88,776.74 × 35,650.95
  4. Step 4: Simplify right side
    64,330.82x = 3,164,974,940.65
  5. Step 5: Solve for x
    x = 3,164,974,940.65/64,330.82
  6. Step 6: Final answer
    x = 49,198.43

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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.