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Finding the Fourth Proportional to 2,803.33, 4,204.01 and 828.43

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Solution

The fourth proportional to 2,803.33, 4,204.01 and 828.43 is: 1,242.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.33 : 4,204.01 = 828.43 : x
  2. Step 2: Convert to fraction form
    2,803.33/4,204.01 = 828.43/x
  3. Step 3: Cross multiply
    2,803.33x = 4,204.01 × 828.43
  4. Step 4: Simplify right side
    2,803.33x = 3,482,728.00
  5. Step 5: Solve for x
    x = 3,482,728.00/2,803.33
  6. Step 6: Final answer
    x = 1,242.35

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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.