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Finding the Fourth Proportional to 2,538.32, 3,503.00 and 1,419.24

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Solution

The fourth proportional to 2,538.32, 3,503.00 and 1,419.24 is: 1,958.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.32 : 3,503.00 = 1,419.24 : x
  2. Step 2: Convert to fraction form
    2,538.32/3,503.00 = 1,419.24/x
  3. Step 3: Cross multiply
    2,538.32x = 3,503.00 × 1,419.24
  4. Step 4: Simplify right side
    2,538.32x = 4,971,601.27
  5. Step 5: Solve for x
    x = 4,971,601.27/2,538.32
  6. Step 6: Final answer
    x = 1,958.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.