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Finding the Fourth Proportional to 1,063.30, 1,594.96 and 629.14

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Solution

The fourth proportional to 1,063.30, 1,594.96 and 629.14 is: 943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.30 : 1,594.96 = 629.14 : x
  2. Step 2: Convert to fraction form
    1,063.30/1,594.96 = 629.14/x
  3. Step 3: Cross multiply
    1,063.30x = 1,594.96 × 629.14
  4. Step 4: Simplify right side
    1,063.30x = 1,003,453.13
  5. Step 5: Solve for x
    x = 1,003,453.13/1,063.30
  6. Step 6: Final answer
    x = 943.72

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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.