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Finding the Fourth Proportional to 1,694.96, 2,535.96 and 964.88

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Solution

The fourth proportional to 1,694.96, 2,535.96 and 964.88 is: 1,443.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.96 : 2,535.96 = 964.88 : x
  2. Step 2: Convert to fraction form
    1,694.96/2,535.96 = 964.88/x
  3. Step 3: Cross multiply
    1,694.96x = 2,535.96 × 964.88
  4. Step 4: Simplify right side
    1,694.96x = 2,446,897.08
  5. Step 5: Solve for x
    x = 2,446,897.08/1,694.96
  6. Step 6: Final answer
    x = 1,443.63

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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.