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Finding the Fourth Proportional to 2,327.70, 3,491.77 and 767.06

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Solution

The fourth proportional to 2,327.70, 3,491.77 and 767.06 is: 1,150.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.70 : 3,491.77 = 767.06 : x
  2. Step 2: Convert to fraction form
    2,327.70/3,491.77 = 767.06/x
  3. Step 3: Cross multiply
    2,327.70x = 3,491.77 × 767.06
  4. Step 4: Simplify right side
    2,327.70x = 2,678,397.10
  5. Step 5: Solve for x
    x = 2,678,397.10/2,327.70
  6. Step 6: Final answer
    x = 1,150.66

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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.