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Finding the Fourth Proportional to 2,429.72, 3,646.16 and 1,334.84

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Solution

The fourth proportional to 2,429.72, 3,646.16 and 1,334.84 is: 2,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.72 : 3,646.16 = 1,334.84 : x
  2. Step 2: Convert to fraction form
    2,429.72/3,646.16 = 1,334.84/x
  3. Step 3: Cross multiply
    2,429.72x = 3,646.16 × 1,334.84
  4. Step 4: Simplify right side
    2,429.72x = 4,867,040.21
  5. Step 5: Solve for x
    x = 4,867,040.21/2,429.72
  6. Step 6: Final answer
    x = 2,003.13

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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.