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Finding the Fourth Proportional to 16,622.78, 24,930.90 and 4,933.40

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Solution

The fourth proportional to 16,622.78, 24,930.90 and 4,933.40 is: 7,399.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,622.78 : 24,930.90 = 4,933.40 : x
  2. Step 2: Convert to fraction form
    16,622.78/24,930.90 = 4,933.40/x
  3. Step 3: Cross multiply
    16,622.78x = 24,930.90 × 4,933.40
  4. Step 4: Simplify right side
    16,622.78x = 122,994,102.06
  5. Step 5: Solve for x
    x = 122,994,102.06/16,622.78
  6. Step 6: Final answer
    x = 7,399.13

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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.