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Finding the Fourth Proportional to 1,883.58, 2,826.72 and 1,395.16

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Solution

The fourth proportional to 1,883.58, 2,826.72 and 1,395.16 is: 2,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.58 : 2,826.72 = 1,395.16 : x
  2. Step 2: Convert to fraction form
    1,883.58/2,826.72 = 1,395.16/x
  3. Step 3: Cross multiply
    1,883.58x = 2,826.72 × 1,395.16
  4. Step 4: Simplify right side
    1,883.58x = 3,943,726.68
  5. Step 5: Solve for x
    x = 3,943,726.68/1,883.58
  6. Step 6: Final answer
    x = 2,093.74

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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.