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Finding the Fourth Proportional to 21,957.41, 32,933.97 and 6,161.01

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Solution

The fourth proportional to 21,957.41, 32,933.97 and 6,161.01 is: 9,240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,957.41 : 32,933.97 = 6,161.01 : x
  2. Step 2: Convert to fraction form
    21,957.41/32,933.97 = 6,161.01/x
  3. Step 3: Cross multiply
    21,957.41x = 32,933.97 × 6,161.01
  4. Step 4: Simplify right side
    21,957.41x = 202,906,518.51
  5. Step 5: Solve for x
    x = 202,906,518.51/21,957.41
  6. Step 6: Final answer
    x = 9,240.92

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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.