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Finding the Fourth Proportional to 1,524.94, 2,285.34 and 793

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Solution

The fourth proportional to 1,524.94, 2,285.34 and 793 is: 1,188.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.94 : 2,285.34 = 793 : x
  2. Step 2: Convert to fraction form
    1,524.94/2,285.34 = 793/x
  3. Step 3: Cross multiply
    1,524.94x = 2,285.34 × 793
  4. Step 4: Simplify right side
    1,524.94x = 1,812,274.62
  5. Step 5: Solve for x
    x = 1,812,274.62/1,524.94
  6. Step 6: Final answer
    x = 1,188.42

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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.