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Finding the Fourth Proportional to 2,776.92, 4,162.96 and 2,368.68

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Solution

The fourth proportional to 2,776.92, 4,162.96 and 2,368.68 is: 3,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.92 : 4,162.96 = 2,368.68 : x
  2. Step 2: Convert to fraction form
    2,776.92/4,162.96 = 2,368.68/x
  3. Step 3: Cross multiply
    2,776.92x = 4,162.96 × 2,368.68
  4. Step 4: Simplify right side
    2,776.92x = 9,860,720.09
  5. Step 5: Solve for x
    x = 9,860,720.09/2,776.92
  6. Step 6: Final answer
    x = 3,550.96

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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.