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Finding the Fourth Proportional to 16,723.45, 25,085.22 and 4,243.45

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Solution

The fourth proportional to 16,723.45, 25,085.22 and 4,243.45 is: 6,365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,723.45 : 25,085.22 = 4,243.45 : x
  2. Step 2: Convert to fraction form
    16,723.45/25,085.22 = 4,243.45/x
  3. Step 3: Cross multiply
    16,723.45x = 25,085.22 × 4,243.45
  4. Step 4: Simplify right side
    16,723.45x = 106,447,855.59
  5. Step 5: Solve for x
    x = 106,447,855.59/16,723.45
  6. Step 6: Final answer
    x = 6,365.19

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1.5x scale

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.