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Finding the Fourth Proportional to 2,224.63, 3,337.29 and 838.07

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Solution

The fourth proportional to 2,224.63, 3,337.29 and 838.07 is: 1,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.63 : 3,337.29 = 838.07 : x
  2. Step 2: Convert to fraction form
    2,224.63/3,337.29 = 838.07/x
  3. Step 3: Cross multiply
    2,224.63x = 3,337.29 × 838.07
  4. Step 4: Simplify right side
    2,224.63x = 2,796,878.46
  5. Step 5: Solve for x
    x = 2,796,878.46/2,224.63
  6. Step 6: Final answer
    x = 1,257.23

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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.