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Finding the Fourth Proportional to 1,774.51, 2,647.69 and 1,589.83

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Solution

The fourth proportional to 1,774.51, 2,647.69 and 1,589.83 is: 2,372.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.51 : 2,647.69 = 1,589.83 : x
  2. Step 2: Convert to fraction form
    1,774.51/2,647.69 = 1,589.83/x
  3. Step 3: Cross multiply
    1,774.51x = 2,647.69 × 1,589.83
  4. Step 4: Simplify right side
    1,774.51x = 4,209,366.40
  5. Step 5: Solve for x
    x = 4,209,366.40/1,774.51
  6. Step 6: Final answer
    x = 2,372.13

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.