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Finding the Fourth Proportional to 33,991.68, 50,983.45 and 9,033.64

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Solution

The fourth proportional to 33,991.68, 50,983.45 and 9,033.64 is: 13,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.68 : 50,983.45 = 9,033.64 : x
  2. Step 2: Convert to fraction form
    33,991.68/50,983.45 = 9,033.64/x
  3. Step 3: Cross multiply
    33,991.68x = 50,983.45 × 9,033.64
  4. Step 4: Simplify right side
    33,991.68x = 460,566,080.32
  5. Step 5: Solve for x
    x = 460,566,080.32/33,991.68
  6. Step 6: Final answer
    x = 13,549.38

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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.