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Finding the Fourth Proportional to 23,957.66, 33,061.62 and 13,347.68

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Solution

The fourth proportional to 23,957.66, 33,061.62 and 13,347.68 is: 18,419.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,957.66 : 33,061.62 = 13,347.68 : x
  2. Step 2: Convert to fraction form
    23,957.66/33,061.62 = 13,347.68/x
  3. Step 3: Cross multiply
    23,957.66x = 33,061.62 × 13,347.68
  4. Step 4: Simplify right side
    23,957.66x = 441,295,758.73
  5. Step 5: Solve for x
    x = 441,295,758.73/23,957.66
  6. Step 6: Final answer
    x = 18,419.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.