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Finding the Fourth Proportional to 21,754.84, 32,632.76 and 12,327.52

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Solution

The fourth proportional to 21,754.84, 32,632.76 and 12,327.52 is: 18,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,754.84 : 32,632.76 = 12,327.52 : x
  2. Step 2: Convert to fraction form
    21,754.84/32,632.76 = 12,327.52/x
  3. Step 3: Cross multiply
    21,754.84x = 32,632.76 × 12,327.52
  4. Step 4: Simplify right side
    21,754.84x = 402,281,001.56
  5. Step 5: Solve for x
    x = 402,281,001.56/21,754.84
  6. Step 6: Final answer
    x = 18,491.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.