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Finding the Fourth Proportional to 1,234.22, 1,703.36 and 793.16

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Solution

The fourth proportional to 1,234.22, 1,703.36 and 793.16 is: 1,094.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.22 : 1,703.36 = 793.16 : x
  2. Step 2: Convert to fraction form
    1,234.22/1,703.36 = 793.16/x
  3. Step 3: Cross multiply
    1,234.22x = 1,703.36 × 793.16
  4. Step 4: Simplify right side
    1,234.22x = 1,351,037.02
  5. Step 5: Solve for x
    x = 1,351,037.02/1,234.22
  6. Step 6: Final answer
    x = 1,094.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.