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Finding the Fourth Proportional to 16,625.21, 22,922.03 and 10,647.05

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Solution

The fourth proportional to 16,625.21, 22,922.03 and 10,647.05 is: 14,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,625.21 : 22,922.03 = 10,647.05 : x
  2. Step 2: Convert to fraction form
    16,625.21/22,922.03 = 10,647.05/x
  3. Step 3: Cross multiply
    16,625.21x = 22,922.03 × 10,647.05
  4. Step 4: Simplify right side
    16,625.21x = 244,051,911.52
  5. Step 5: Solve for x
    x = 244,051,911.52/16,625.21
  6. Step 6: Final answer
    x = 14,679.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.