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Finding the Fourth Proportional to 33,710.65, 50,588.54 and 13,989.22

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Solution

The fourth proportional to 33,710.65, 50,588.54 and 13,989.22 is: 20,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,710.65 : 50,588.54 = 13,989.22 : x
  2. Step 2: Convert to fraction form
    33,710.65/50,588.54 = 13,989.22/x
  3. Step 3: Cross multiply
    33,710.65x = 50,588.54 × 13,989.22
  4. Step 4: Simplify right side
    33,710.65x = 707,694,342.01
  5. Step 5: Solve for x
    x = 707,694,342.01/33,710.65
  6. Step 6: Final answer
    x = 20,993.20

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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.