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Finding the Fourth Proportional to 16,570.60, 24,835.09 and 9,912.01

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Solution

The fourth proportional to 16,570.60, 24,835.09 and 9,912.01 is: 14,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,570.60 : 24,835.09 = 9,912.01 : x
  2. Step 2: Convert to fraction form
    16,570.60/24,835.09 = 9,912.01/x
  3. Step 3: Cross multiply
    16,570.60x = 24,835.09 × 9,912.01
  4. Step 4: Simplify right side
    16,570.60x = 246,165,660.43
  5. Step 5: Solve for x
    x = 246,165,660.43/16,570.60
  6. Step 6: Final answer
    x = 14,855.57

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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.