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Finding the Fourth Proportional to 3,709.01, 5,561.78 and 1,368.42

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Solution

The fourth proportional to 3,709.01, 5,561.78 and 1,368.42 is: 2,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.01 : 5,561.78 = 1,368.42 : x
  2. Step 2: Convert to fraction form
    3,709.01/5,561.78 = 1,368.42/x
  3. Step 3: Cross multiply
    3,709.01x = 5,561.78 × 1,368.42
  4. Step 4: Simplify right side
    3,709.01x = 7,610,844.15
  5. Step 5: Solve for x
    x = 7,610,844.15/3,709.01
  6. Step 6: Final answer
    x = 2,051.99

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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.