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Finding the Fourth Proportional to 23,885.46, 32,953.41 and 16,420.50

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Solution

The fourth proportional to 23,885.46, 32,953.41 and 16,420.50 is: 22,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,885.46 : 32,953.41 = 16,420.50 : x
  2. Step 2: Convert to fraction form
    23,885.46/32,953.41 = 16,420.50/x
  3. Step 3: Cross multiply
    23,885.46x = 32,953.41 × 16,420.50
  4. Step 4: Simplify right side
    23,885.46x = 541,111,468.91
  5. Step 5: Solve for x
    x = 541,111,468.91/23,885.46
  6. Step 6: Final answer
    x = 22,654.43

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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.