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Finding the Fourth Proportional to 15,217.20, 22,825.80 and 14,050.80

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Solution

The fourth proportional to 15,217.20, 22,825.80 and 14,050.80 is: 21,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.20 : 22,825.80 = 14,050.80 : x
  2. Step 2: Convert to fraction form
    15,217.20/22,825.80 = 14,050.80/x
  3. Step 3: Cross multiply
    15,217.20x = 22,825.80 × 14,050.80
  4. Step 4: Simplify right side
    15,217.20x = 320,720,750.64
  5. Step 5: Solve for x
    x = 320,720,750.64/15,217.20
  6. Step 6: Final answer
    x = 21,076.20

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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.