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Finding the Fourth Proportional to 3,092.37, 4,637.73 and 871.07

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Solution

The fourth proportional to 3,092.37, 4,637.73 and 871.07 is: 1,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.37 : 4,637.73 = 871.07 : x
  2. Step 2: Convert to fraction form
    3,092.37/4,637.73 = 871.07/x
  3. Step 3: Cross multiply
    3,092.37x = 4,637.73 × 871.07
  4. Step 4: Simplify right side
    3,092.37x = 4,039,787.47
  5. Step 5: Solve for x
    x = 4,039,787.47/3,092.37
  6. Step 6: Final answer
    x = 1,306.37

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1.5x scale

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.