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Finding the Fourth Proportional to 33,905.61, 50,842.01 and 11,711.21

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Solution

The fourth proportional to 33,905.61, 50,842.01 and 11,711.21 is: 17,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,905.61 : 50,842.01 = 11,711.21 : x
  2. Step 2: Convert to fraction form
    33,905.61/50,842.01 = 11,711.21/x
  3. Step 3: Cross multiply
    33,905.61x = 50,842.01 × 11,711.21
  4. Step 4: Simplify right side
    33,905.61x = 595,421,231.00
  5. Step 5: Solve for x
    x = 595,421,231.00/33,905.61
  6. Step 6: Final answer
    x = 17,561.14

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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.