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Finding the Fourth Proportional to 33,281.97, 49,955.76 and 20,159.97

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Solution

The fourth proportional to 33,281.97, 49,955.76 and 20,159.97 is: 30,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,281.97 : 49,955.76 = 20,159.97 : x
  2. Step 2: Convert to fraction form
    33,281.97/49,955.76 = 20,159.97/x
  3. Step 3: Cross multiply
    33,281.97x = 49,955.76 × 20,159.97
  4. Step 4: Simplify right side
    33,281.97x = 1,007,106,522.13
  5. Step 5: Solve for x
    x = 1,007,106,522.13/33,281.97
  6. Step 6: Final answer
    x = 30,259.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.