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Finding the Fourth Proportional to 3,133.76, 4,324.62 and 1,736.50

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Solution

The fourth proportional to 3,133.76, 4,324.62 and 1,736.50 is: 2,396.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.76 : 4,324.62 = 1,736.50 : x
  2. Step 2: Convert to fraction form
    3,133.76/4,324.62 = 1,736.50/x
  3. Step 3: Cross multiply
    3,133.76x = 4,324.62 × 1,736.50
  4. Step 4: Simplify right side
    3,133.76x = 7,509,702.63
  5. Step 5: Solve for x
    x = 7,509,702.63/3,133.76
  6. Step 6: Final answer
    x = 2,396.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.