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Finding the Fourth Proportional to 3,844.63, 5,774.78 and 3,392.65

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Solution

The fourth proportional to 3,844.63, 5,774.78 and 3,392.65 is: 5,095.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.63 : 5,774.78 = 3,392.65 : x
  2. Step 2: Convert to fraction form
    3,844.63/5,774.78 = 3,392.65/x
  3. Step 3: Cross multiply
    3,844.63x = 5,774.78 × 3,392.65
  4. Step 4: Simplify right side
    3,844.63x = 19,591,807.37
  5. Step 5: Solve for x
    x = 19,591,807.37/3,844.63
  6. Step 6: Final answer
    x = 5,095.89

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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.