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Finding the Fourth Proportional to 16,722.50, 25,085.43 and 4,410.50

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Solution

The fourth proportional to 16,722.50, 25,085.43 and 4,410.50 is: 6,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,722.50 : 25,085.43 = 4,410.50 : x
  2. Step 2: Convert to fraction form
    16,722.50/25,085.43 = 4,410.50/x
  3. Step 3: Cross multiply
    16,722.50x = 25,085.43 × 4,410.50
  4. Step 4: Simplify right side
    16,722.50x = 110,639,289.02
  5. Step 5: Solve for x
    x = 110,639,289.02/16,722.50
  6. Step 6: Final answer
    x = 6,616.19

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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.