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Finding the Fourth Proportional to 3,393.02, 4,678.02 and 2,507.29

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Solution

The fourth proportional to 3,393.02, 4,678.02 and 2,507.29 is: 3,456.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.02 : 4,678.02 = 2,507.29 : x
  2. Step 2: Convert to fraction form
    3,393.02/4,678.02 = 2,507.29/x
  3. Step 3: Cross multiply
    3,393.02x = 4,678.02 × 2,507.29
  4. Step 4: Simplify right side
    3,393.02x = 11,729,141.07
  5. Step 5: Solve for x
    x = 11,729,141.07/3,393.02
  6. Step 6: Final answer
    x = 3,456.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.