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Finding the Fourth Proportional to 1,884.58, 2,828.22 and 1,396.16

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Solution

The fourth proportional to 1,884.58, 2,828.22 and 1,396.16 is: 2,095.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.58 : 2,828.22 = 1,396.16 : x
  2. Step 2: Convert to fraction form
    1,884.58/2,828.22 = 1,396.16/x
  3. Step 3: Cross multiply
    1,884.58x = 2,828.22 × 1,396.16
  4. Step 4: Simplify right side
    1,884.58x = 3,948,647.64
  5. Step 5: Solve for x
    x = 3,948,647.64/1,884.58
  6. Step 6: Final answer
    x = 2,095.24

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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.