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Finding the Fourth Proportional to 15,213.99, 22,820.49 and 6,894.03

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Solution

The fourth proportional to 15,213.99, 22,820.49 and 6,894.03 is: 10,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.99 : 22,820.49 = 6,894.03 : x
  2. Step 2: Convert to fraction form
    15,213.99/22,820.49 = 6,894.03/x
  3. Step 3: Cross multiply
    15,213.99x = 22,820.49 × 6,894.03
  4. Step 4: Simplify right side
    15,213.99x = 157,325,142.67
  5. Step 5: Solve for x
    x = 157,325,142.67/15,213.99
  6. Step 6: Final answer
    x = 10,340.82

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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.