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Finding the Fourth Proportional to 1,129.58, 1,692.83 and 1,096.34

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Solution

The fourth proportional to 1,129.58, 1,692.83 and 1,096.34 is: 1,643.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129.58 : 1,692.83 = 1,096.34 : x
  2. Step 2: Convert to fraction form
    1,129.58/1,692.83 = 1,096.34/x
  3. Step 3: Cross multiply
    1,129.58x = 1,692.83 × 1,096.34
  4. Step 4: Simplify right side
    1,129.58x = 1,855,911.52
  5. Step 5: Solve for x
    x = 1,855,911.52/1,129.58
  6. Step 6: Final answer
    x = 1,643.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.