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Finding the Fourth Proportional to 1,795.32, 2,692.35 and 699.57

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Solution

The fourth proportional to 1,795.32, 2,692.35 and 699.57 is: 1,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.32 : 2,692.35 = 699.57 : x
  2. Step 2: Convert to fraction form
    1,795.32/2,692.35 = 699.57/x
  3. Step 3: Cross multiply
    1,795.32x = 2,692.35 × 699.57
  4. Step 4: Simplify right side
    1,795.32x = 1,883,487.29
  5. Step 5: Solve for x
    x = 1,883,487.29/1,795.32
  6. Step 6: Final answer
    x = 1,049.11

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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.