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Finding the Fourth Proportional to 3,376.38, 5,064.00 and 910.63

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Solution

The fourth proportional to 3,376.38, 5,064.00 and 910.63 is: 1,365.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.38 : 5,064.00 = 910.63 : x
  2. Step 2: Convert to fraction form
    3,376.38/5,064.00 = 910.63/x
  3. Step 3: Cross multiply
    3,376.38x = 5,064.00 × 910.63
  4. Step 4: Simplify right side
    3,376.38x = 4,611,415.12
  5. Step 5: Solve for x
    x = 4,611,415.12/3,376.38
  6. Step 6: Final answer
    x = 1,365.79

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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.