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Finding the Fourth Proportional to 1,954.64, 2,698.23 and 1,901.99

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Solution

The fourth proportional to 1,954.64, 2,698.23 and 1,901.99 is: 2,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.64 : 2,698.23 = 1,901.99 : x
  2. Step 2: Convert to fraction form
    1,954.64/2,698.23 = 1,901.99/x
  3. Step 3: Cross multiply
    1,954.64x = 2,698.23 × 1,901.99
  4. Step 4: Simplify right side
    1,954.64x = 5,132,006.48
  5. Step 5: Solve for x
    x = 5,132,006.48/1,954.64
  6. Step 6: Final answer
    x = 2,625.55

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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.