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Finding the Fourth Proportional to 16,849.20, 25,273.80 and 14,224.80

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Solution

The fourth proportional to 16,849.20, 25,273.80 and 14,224.80 is: 21,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,849.20 : 25,273.80 = 14,224.80 : x
  2. Step 2: Convert to fraction form
    16,849.20/25,273.80 = 14,224.80/x
  3. Step 3: Cross multiply
    16,849.20x = 25,273.80 × 14,224.80
  4. Step 4: Simplify right side
    16,849.20x = 359,514,750.24
  5. Step 5: Solve for x
    x = 359,514,750.24/16,849.20
  6. Step 6: Final answer
    x = 21,337.20

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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.