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Finding the Fourth Proportional to 50,920.48, 70,218.48 and 33,919.84

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Solution

The fourth proportional to 50,920.48, 70,218.48 and 33,919.84 is: 46,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,920.48 : 70,218.48 = 33,919.84 : x
  2. Step 2: Convert to fraction form
    50,920.48/70,218.48 = 33,919.84/x
  3. Step 3: Cross multiply
    50,920.48x = 70,218.48 × 33,919.84
  4. Step 4: Simplify right side
    50,920.48x = 2,381,799,606.64
  5. Step 5: Solve for x
    x = 2,381,799,606.64/50,920.48
  6. Step 6: Final answer
    x = 46,774.89

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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.