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Finding the Fourth Proportional to 1,713.36, 2,571.84 and 848.32

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Solution

The fourth proportional to 1,713.36, 2,571.84 and 848.32 is: 1,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.36 : 2,571.84 = 848.32 : x
  2. Step 2: Convert to fraction form
    1,713.36/2,571.84 = 848.32/x
  3. Step 3: Cross multiply
    1,713.36x = 2,571.84 × 848.32
  4. Step 4: Simplify right side
    1,713.36x = 2,181,743.31
  5. Step 5: Solve for x
    x = 2,181,743.31/1,713.36
  6. Step 6: Final answer
    x = 1,273.37

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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.