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Finding the Fourth Proportional to 1,695.96, 2,544.12 and 965.34

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Solution

The fourth proportional to 1,695.96, 2,544.12 and 965.34 is: 1,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.96 : 2,544.12 = 965.34 : x
  2. Step 2: Convert to fraction form
    1,695.96/2,544.12 = 965.34/x
  3. Step 3: Cross multiply
    1,695.96x = 2,544.12 × 965.34
  4. Step 4: Simplify right side
    1,695.96x = 2,455,940.80
  5. Step 5: Solve for x
    x = 2,455,940.80/1,695.96
  6. Step 6: Final answer
    x = 1,448.11

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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.