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Finding the Fourth Proportional to 1,015.59, 1,524.75 and 796.89

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Solution

The fourth proportional to 1,015.59, 1,524.75 and 796.89 is: 1,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.59 : 1,524.75 = 796.89 : x
  2. Step 2: Convert to fraction form
    1,015.59/1,524.75 = 796.89/x
  3. Step 3: Cross multiply
    1,015.59x = 1,524.75 × 796.89
  4. Step 4: Simplify right side
    1,015.59x = 1,215,054.42
  5. Step 5: Solve for x
    x = 1,215,054.42/1,015.59
  6. Step 6: Final answer
    x = 1,196.40

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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.