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Finding the Fourth Proportional to 33,402.58, 50,103.77 and 13,681.14

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Solution

The fourth proportional to 33,402.58, 50,103.77 and 13,681.14 is: 20,521.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,402.58 : 50,103.77 = 13,681.14 : x
  2. Step 2: Convert to fraction form
    33,402.58/50,103.77 = 13,681.14/x
  3. Step 3: Cross multiply
    33,402.58x = 50,103.77 × 13,681.14
  4. Step 4: Simplify right side
    33,402.58x = 685,476,435.60
  5. Step 5: Solve for x
    x = 685,476,435.60/33,402.58
  6. Step 6: Final answer
    x = 20,521.66

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1.5x scale

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.