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Finding the Fourth Proportional to 1,766.99, 2,649.67 and 793.07

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Solution

The fourth proportional to 1,766.99, 2,649.67 and 793.07 is: 1,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.99 : 2,649.67 = 793.07 : x
  2. Step 2: Convert to fraction form
    1,766.99/2,649.67 = 793.07/x
  3. Step 3: Cross multiply
    1,766.99x = 2,649.67 × 793.07
  4. Step 4: Simplify right side
    1,766.99x = 2,101,373.79
  5. Step 5: Solve for x
    x = 2,101,373.79/1,766.99
  6. Step 6: Final answer
    x = 1,189.24

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1.5x scale

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.