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Finding the Fourth Proportional to 33,341.70, 49,903.20 and 25,905.90

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Solution

The fourth proportional to 33,341.70, 49,903.20 and 25,905.90 is: 38,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,341.70 : 49,903.20 = 25,905.90 : x
  2. Step 2: Convert to fraction form
    33,341.70/49,903.20 = 25,905.90/x
  3. Step 3: Cross multiply
    33,341.70x = 49,903.20 × 25,905.90
  4. Step 4: Simplify right side
    33,341.70x = 1,292,787,308.88
  5. Step 5: Solve for x
    x = 1,292,787,308.88/33,341.70
  6. Step 6: Final answer
    x = 38,773.89

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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.