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Finding the Fourth Proportional to 16,164.80, 24,247.20 and 4,478.01

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Solution

The fourth proportional to 16,164.80, 24,247.20 and 4,478.01 is: 6,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,164.80 : 24,247.20 = 4,478.01 : x
  2. Step 2: Convert to fraction form
    16,164.80/24,247.20 = 4,478.01/x
  3. Step 3: Cross multiply
    16,164.80x = 24,247.20 × 4,478.01
  4. Step 4: Simplify right side
    16,164.80x = 108,579,204.07
  5. Step 5: Solve for x
    x = 108,579,204.07/16,164.80
  6. Step 6: Final answer
    x = 6,717.02

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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.