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Finding the Fourth Proportional to 2,376.25, 3,564.38 and 837.25

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Solution

The fourth proportional to 2,376.25, 3,564.38 and 837.25 is: 1,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.25 : 3,564.38 = 837.25 : x
  2. Step 2: Convert to fraction form
    2,376.25/3,564.38 = 837.25/x
  3. Step 3: Cross multiply
    2,376.25x = 3,564.38 × 837.25
  4. Step 4: Simplify right side
    2,376.25x = 2,984,277.16
  5. Step 5: Solve for x
    x = 2,984,277.16/2,376.25
  6. Step 6: Final answer
    x = 1,255.88

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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.