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Finding the Fourth Proportional to 1,234.67, 1,703.54 and 793.17

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Solution

The fourth proportional to 1,234.67, 1,703.54 and 793.17 is: 1,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.67 : 1,703.54 = 793.17 : x
  2. Step 2: Convert to fraction form
    1,234.67/1,703.54 = 793.17/x
  3. Step 3: Cross multiply
    1,234.67x = 1,703.54 × 793.17
  4. Step 4: Simplify right side
    1,234.67x = 1,351,192.86
  5. Step 5: Solve for x
    x = 1,351,192.86/1,234.67
  6. Step 6: Final answer
    x = 1,094.38

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1.5x scale

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.