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Finding the Fourth Proportional to 3,092.24, 4,638.54 and 900.92

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Solution

The fourth proportional to 3,092.24, 4,638.54 and 900.92 is: 1,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.24 : 4,638.54 = 900.92 : x
  2. Step 2: Convert to fraction form
    3,092.24/4,638.54 = 900.92/x
  3. Step 3: Cross multiply
    3,092.24x = 4,638.54 × 900.92
  4. Step 4: Simplify right side
    3,092.24x = 4,178,953.46
  5. Step 5: Solve for x
    x = 4,178,953.46/3,092.24
  6. Step 6: Final answer
    x = 1,351.43

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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.