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Finding the Fourth Proportional to 3,670.64, 5,496.76 and 1,935.44

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Solution

The fourth proportional to 3,670.64, 5,496.76 and 1,935.44 is: 2,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.64 : 5,496.76 = 1,935.44 : x
  2. Step 2: Convert to fraction form
    3,670.64/5,496.76 = 1,935.44/x
  3. Step 3: Cross multiply
    3,670.64x = 5,496.76 × 1,935.44
  4. Step 4: Simplify right side
    3,670.64x = 10,638,649.17
  5. Step 5: Solve for x
    x = 10,638,649.17/3,670.64
  6. Step 6: Final answer
    x = 2,898.31

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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.