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Finding the Fourth Proportional to 2,677.01, 4,016.13 and 828.07

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Solution

The fourth proportional to 2,677.01, 4,016.13 and 828.07 is: 1,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.01 : 4,016.13 = 828.07 : x
  2. Step 2: Convert to fraction form
    2,677.01/4,016.13 = 828.07/x
  3. Step 3: Cross multiply
    2,677.01x = 4,016.13 × 828.07
  4. Step 4: Simplify right side
    2,677.01x = 3,325,612.55
  5. Step 5: Solve for x
    x = 3,325,612.55/2,677.01
  6. Step 6: Final answer
    x = 1,242.29

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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.