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Finding the Fourth Proportional to 23,754.16, 32,780.04 and 12,998.73

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Solution

The fourth proportional to 23,754.16, 32,780.04 and 12,998.73 is: 17,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,754.16 : 32,780.04 = 12,998.73 : x
  2. Step 2: Convert to fraction form
    23,754.16/32,780.04 = 12,998.73/x
  3. Step 3: Cross multiply
    23,754.16x = 32,780.04 × 12,998.73
  4. Step 4: Simplify right side
    23,754.16x = 426,098,852.26
  5. Step 5: Solve for x
    x = 426,098,852.26/23,754.16
  6. Step 6: Final answer
    x = 17,937.86

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