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Finding the Fourth Proportional to 2,376.14, 3,564.28 and 732.72

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Solution

The fourth proportional to 2,376.14, 3,564.28 and 732.72 is: 1,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.14 : 3,564.28 = 732.72 : x
  2. Step 2: Convert to fraction form
    2,376.14/3,564.28 = 732.72/x
  3. Step 3: Cross multiply
    2,376.14x = 3,564.28 × 732.72
  4. Step 4: Simplify right side
    2,376.14x = 2,611,619.24
  5. Step 5: Solve for x
    x = 2,611,619.24/2,376.14
  6. Step 6: Final answer
    x = 1,099.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.