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Finding the Fourth Proportional to 2,605.32, 3,592.99 and 1,722.01

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Solution

The fourth proportional to 2,605.32, 3,592.99 and 1,722.01 is: 2,374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.32 : 3,592.99 = 1,722.01 : x
  2. Step 2: Convert to fraction form
    2,605.32/3,592.99 = 1,722.01/x
  3. Step 3: Cross multiply
    2,605.32x = 3,592.99 × 1,722.01
  4. Step 4: Simplify right side
    2,605.32x = 6,187,169.01
  5. Step 5: Solve for x
    x = 6,187,169.01/2,605.32
  6. Step 6: Final answer
    x = 2,374.83

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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.