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Finding the Fourth Proportional to 33,402.70, 50,107.65 and 11,215.18

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Solution

The fourth proportional to 33,402.70, 50,107.65 and 11,215.18 is: 16,823.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,402.70 : 50,107.65 = 11,215.18 : x
  2. Step 2: Convert to fraction form
    33,402.70/50,107.65 = 11,215.18/x
  3. Step 3: Cross multiply
    33,402.70x = 50,107.65 × 11,215.18
  4. Step 4: Simplify right side
    33,402.70x = 561,966,314.13
  5. Step 5: Solve for x
    x = 561,966,314.13/33,402.70
  6. Step 6: Final answer
    x = 16,823.98

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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.