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Finding the Fourth Proportional to 23,991.90, 35,988.21 and 9,201.66

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Solution

The fourth proportional to 23,991.90, 35,988.21 and 9,201.66 is: 13,802.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991.90 : 35,988.21 = 9,201.66 : x
  2. Step 2: Convert to fraction form
    23,991.90/35,988.21 = 9,201.66/x
  3. Step 3: Cross multiply
    23,991.90x = 35,988.21 × 9,201.66
  4. Step 4: Simplify right side
    23,991.90x = 331,151,272.43
  5. Step 5: Solve for x
    x = 331,151,272.43/23,991.90
  6. Step 6: Final answer
    x = 13,802.63

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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.