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Finding the Fourth Proportional to 4,588.61, 6,883.27 and 1,991.75

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Solution

The fourth proportional to 4,588.61, 6,883.27 and 1,991.75 is: 2,987.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,588.61 : 6,883.27 = 1,991.75 : x
  2. Step 2: Convert to fraction form
    4,588.61/6,883.27 = 1,991.75/x
  3. Step 3: Cross multiply
    4,588.61x = 6,883.27 × 1,991.75
  4. Step 4: Simplify right side
    4,588.61x = 13,709,713.63
  5. Step 5: Solve for x
    x = 13,709,713.63/4,588.61
  6. Step 6: Final answer
    x = 2,987.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.