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Finding the Fourth Proportional to 33,637.88, 50,443.16 and 9,939.00

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Solution

The fourth proportional to 33,637.88, 50,443.16 and 9,939.00 is: 14,904.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,637.88 : 50,443.16 = 9,939.00 : x
  2. Step 2: Convert to fraction form
    33,637.88/50,443.16 = 9,939.00/x
  3. Step 3: Cross multiply
    33,637.88x = 50,443.16 × 9,939.00
  4. Step 4: Simplify right side
    33,637.88x = 501,354,706.71
  5. Step 5: Solve for x
    x = 501,354,706.71/33,637.88
  6. Step 6: Final answer
    x = 14,904.47

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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.