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Finding the Fourth Proportional to 1,033.70, 1,550.84 and 706.05

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Solution

The fourth proportional to 1,033.70, 1,550.84 and 706.05 is: 1,059.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.70 : 1,550.84 = 706.05 : x
  2. Step 2: Convert to fraction form
    1,033.70/1,550.84 = 706.05/x
  3. Step 3: Cross multiply
    1,033.70x = 1,550.84 × 706.05
  4. Step 4: Simplify right side
    1,033.70x = 1,094,967.05
  5. Step 5: Solve for x
    x = 1,094,967.05/1,033.70
  6. Step 6: Final answer
    x = 1,059.27

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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.