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Finding the Fourth Proportional to 2,753.66, 4,127.24 and 1,927.46

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Solution

The fourth proportional to 2,753.66, 4,127.24 and 1,927.46 is: 2,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.66 : 4,127.24 = 1,927.46 : x
  2. Step 2: Convert to fraction form
    2,753.66/4,127.24 = 1,927.46/x
  3. Step 3: Cross multiply
    2,753.66x = 4,127.24 × 1,927.46
  4. Step 4: Simplify right side
    2,753.66x = 7,955,090.01
  5. Step 5: Solve for x
    x = 7,955,090.01/2,753.66
  6. Step 6: Final answer
    x = 2,888.92

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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.