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Finding the Fourth Proportional to 16,837.23, 25,223.50 and 9,419.20

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Solution

The fourth proportional to 16,837.23, 25,223.50 and 9,419.20 is: 14,110.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,837.23 : 25,223.50 = 9,419.20 : x
  2. Step 2: Convert to fraction form
    16,837.23/25,223.50 = 9,419.20/x
  3. Step 3: Cross multiply
    16,837.23x = 25,223.50 × 9,419.20
  4. Step 4: Simplify right side
    16,837.23x = 237,585,191.20
  5. Step 5: Solve for x
    x = 237,585,191.20/16,837.23
  6. Step 6: Final answer
    x = 14,110.71

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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.