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Finding the Fourth Proportional to 1,166.93, 1,750.81 and 550.72

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Solution

The fourth proportional to 1,166.93, 1,750.81 and 550.72 is: 826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.93 : 1,750.81 = 550.72 : x
  2. Step 2: Convert to fraction form
    1,166.93/1,750.81 = 550.72/x
  3. Step 3: Cross multiply
    1,166.93x = 1,750.81 × 550.72
  4. Step 4: Simplify right side
    1,166.93x = 964,206.08
  5. Step 5: Solve for x
    x = 964,206.08/1,166.93
  6. Step 6: Final answer
    x = 826.28

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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.