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Finding the Fourth Proportional to 2,777.92, 4,164.46 and 2,369.68

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Solution

The fourth proportional to 2,777.92, 4,164.46 and 2,369.68 is: 3,552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.92 : 4,164.46 = 2,369.68 : x
  2. Step 2: Convert to fraction form
    2,777.92/4,164.46 = 2,369.68/x
  3. Step 3: Cross multiply
    2,777.92x = 4,164.46 × 2,369.68
  4. Step 4: Simplify right side
    2,777.92x = 9,868,437.57
  5. Step 5: Solve for x
    x = 9,868,437.57/2,777.92
  6. Step 6: Final answer
    x = 3,552.46

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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.