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Finding the Fourth Proportional to 6,508.64, 9,764.40 and 1,892

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Solution

The fourth proportional to 6,508.64, 9,764.40 and 1,892 is: 2,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,508.64 : 9,764.40 = 1,892 : x
  2. Step 2: Convert to fraction form
    6,508.64/9,764.40 = 1,892/x
  3. Step 3: Cross multiply
    6,508.64x = 9,764.40 × 1,892
  4. Step 4: Simplify right side
    6,508.64x = 18,474,244.80
  5. Step 5: Solve for x
    x = 18,474,244.80/6,508.64
  6. Step 6: Final answer
    x = 2,838.42

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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.