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Finding the Fourth Proportional to 1,954.72, 2,698.68 and 1,736.02

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Solution

The fourth proportional to 1,954.72, 2,698.68 and 1,736.02 is: 2,396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.72 : 2,698.68 = 1,736.02 : x
  2. Step 2: Convert to fraction form
    1,954.72/2,698.68 = 1,736.02/x
  3. Step 3: Cross multiply
    1,954.72x = 2,698.68 × 1,736.02
  4. Step 4: Simplify right side
    1,954.72x = 4,684,962.45
  5. Step 5: Solve for x
    x = 4,684,962.45/1,954.72
  6. Step 6: Final answer
    x = 2,396.74

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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.