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Finding the Fourth Proportional to 3,052.88, 4,212.68 and 1,726.68

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Solution

The fourth proportional to 3,052.88, 4,212.68 and 1,726.68 is: 2,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052.88 : 4,212.68 = 1,726.68 : x
  2. Step 2: Convert to fraction form
    3,052.88/4,212.68 = 1,726.68/x
  3. Step 3: Cross multiply
    3,052.88x = 4,212.68 × 1,726.68
  4. Step 4: Simplify right side
    3,052.88x = 7,273,950.30
  5. Step 5: Solve for x
    x = 7,273,950.30/3,052.88
  6. Step 6: Final answer
    x = 2,382.65

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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.