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Finding the Fourth Proportional to 1,035.96, 1,429.02 and 700.44

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Solution

The fourth proportional to 1,035.96, 1,429.02 and 700.44 is: 966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.96 : 1,429.02 = 700.44 : x
  2. Step 2: Convert to fraction form
    1,035.96/1,429.02 = 700.44/x
  3. Step 3: Cross multiply
    1,035.96x = 1,429.02 × 700.44
  4. Step 4: Simplify right side
    1,035.96x = 1,000,942.77
  5. Step 5: Solve for x
    x = 1,000,942.77/1,035.96
  6. Step 6: Final answer
    x = 966.20

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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.