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Finding the Fourth Proportional to 3,921.01, 5,881.44 and 999.27

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Solution

The fourth proportional to 3,921.01, 5,881.44 and 999.27 is: 1,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.01 : 5,881.44 = 999.27 : x
  2. Step 2: Convert to fraction form
    3,921.01/5,881.44 = 999.27/x
  3. Step 3: Cross multiply
    3,921.01x = 5,881.44 × 999.27
  4. Step 4: Simplify right side
    3,921.01x = 5,877,150.30
  5. Step 5: Solve for x
    x = 5,877,150.30/3,921.01
  6. Step 6: Final answer
    x = 1,498.89

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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.