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Finding the Fourth Proportional to 3,366.93, 5,051.08 and 1,419.13

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Solution

The fourth proportional to 3,366.93, 5,051.08 and 1,419.13 is: 2,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.93 : 5,051.08 = 1,419.13 : x
  2. Step 2: Convert to fraction form
    3,366.93/5,051.08 = 1,419.13/x
  3. Step 3: Cross multiply
    3,366.93x = 5,051.08 × 1,419.13
  4. Step 4: Simplify right side
    3,366.93x = 7,168,139.16
  5. Step 5: Solve for x
    x = 7,168,139.16/3,366.93
  6. Step 6: Final answer
    x = 2,128.98

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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.