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Finding the Fourth Proportional to 1,166.77, 1,749.50 and 550.16

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Solution

The fourth proportional to 1,166.77, 1,749.50 and 550.16 is: 824.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.77 : 1,749.50 = 550.16 : x
  2. Step 2: Convert to fraction form
    1,166.77/1,749.50 = 550.16/x
  3. Step 3: Cross multiply
    1,166.77x = 1,749.50 × 550.16
  4. Step 4: Simplify right side
    1,166.77x = 962,502.05
  5. Step 5: Solve for x
    x = 962,502.05/1,166.77
  6. Step 6: Final answer
    x = 824.93

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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.