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Finding the Fourth Proportional to 33,808.65, 46,658.85 and 19,660.50

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Solution

The fourth proportional to 33,808.65, 46,658.85 and 19,660.50 is: 27,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,808.65 : 46,658.85 = 19,660.50 : x
  2. Step 2: Convert to fraction form
    33,808.65/46,658.85 = 19,660.50/x
  3. Step 3: Cross multiply
    33,808.65x = 46,658.85 × 19,660.50
  4. Step 4: Simplify right side
    33,808.65x = 917,336,320.43
  5. Step 5: Solve for x
    x = 917,336,320.43/33,808.65
  6. Step 6: Final answer
    x = 27,133.18

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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.