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Finding the Fourth Proportional to 1,036.56, 1,552.32 and 793.56

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Solution

The fourth proportional to 1,036.56, 1,552.32 and 793.56 is: 1,188.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.56 : 1,552.32 = 793.56 : x
  2. Step 2: Convert to fraction form
    1,036.56/1,552.32 = 793.56/x
  3. Step 3: Cross multiply
    1,036.56x = 1,552.32 × 793.56
  4. Step 4: Simplify right side
    1,036.56x = 1,231,859.06
  5. Step 5: Solve for x
    x = 1,231,859.06/1,036.56
  6. Step 6: Final answer
    x = 1,188.41

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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.