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Finding the Fourth Proportional to 3,846.07, 5,767.28 and 1,653.91

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Solution

The fourth proportional to 3,846.07, 5,767.28 and 1,653.91 is: 2,480.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.07 : 5,767.28 = 1,653.91 : x
  2. Step 2: Convert to fraction form
    3,846.07/5,767.28 = 1,653.91/x
  3. Step 3: Cross multiply
    3,846.07x = 5,767.28 × 1,653.91
  4. Step 4: Simplify right side
    3,846.07x = 9,538,562.06
  5. Step 5: Solve for x
    x = 9,538,562.06/3,846.07
  6. Step 6: Final answer
    x = 2,480.08

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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.