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Finding the Fourth Proportional to 64,633.94, 89,195.95 and 35,955.89

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Solution

The fourth proportional to 64,633.94, 89,195.95 and 35,955.89 is: 49,619.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,633.94 : 89,195.95 = 35,955.89 : x
  2. Step 2: Convert to fraction form
    64,633.94/89,195.95 = 35,955.89/x
  3. Step 3: Cross multiply
    64,633.94x = 89,195.95 × 35,955.89
  4. Step 4: Simplify right side
    64,633.94x = 3,207,119,766.65
  5. Step 5: Solve for x
    x = 3,207,119,766.65/64,633.94
  6. Step 6: Final answer
    x = 49,619.75

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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.