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Finding the Fourth Proportional to 3,804.48, 5,249.76 and 2,148.48

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Solution

The fourth proportional to 3,804.48, 5,249.76 and 2,148.48 is: 2,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.48 : 5,249.76 = 2,148.48 : x
  2. Step 2: Convert to fraction form
    3,804.48/5,249.76 = 2,148.48/x
  3. Step 3: Cross multiply
    3,804.48x = 5,249.76 × 2,148.48
  4. Step 4: Simplify right side
    3,804.48x = 11,279,004.36
  5. Step 5: Solve for x
    x = 11,279,004.36/3,804.48
  6. Step 6: Final answer
    x = 2,964.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.