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Finding the Fourth Proportional to 33,507.88, 50,185.26 and 15,990.01

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Solution

The fourth proportional to 33,507.88, 50,185.26 and 15,990.01 is: 23,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,507.88 : 50,185.26 = 15,990.01 : x
  2. Step 2: Convert to fraction form
    33,507.88/50,185.26 = 15,990.01/x
  3. Step 3: Cross multiply
    33,507.88x = 50,185.26 × 15,990.01
  4. Step 4: Simplify right side
    33,507.88x = 802,462,809.25
  5. Step 5: Solve for x
    x = 802,462,809.25/33,507.88
  6. Step 6: Final answer
    x = 23,948.48

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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.