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Finding the Fourth Proportional to 2,376.61, 3,564.63 and 733.15

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Solution

The fourth proportional to 2,376.61, 3,564.63 and 733.15 is: 1,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.61 : 3,564.63 = 733.15 : x
  2. Step 2: Convert to fraction form
    2,376.61/3,564.63 = 733.15/x
  3. Step 3: Cross multiply
    2,376.61x = 3,564.63 × 733.15
  4. Step 4: Simplify right side
    2,376.61x = 2,613,408.48
  5. Step 5: Solve for x
    x = 2,613,408.48/2,376.61
  6. Step 6: Final answer
    x = 1,099.64

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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.