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Finding the Fourth Proportional to 2,548.94, 3,823.95 and 793.91

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Solution

The fourth proportional to 2,548.94, 3,823.95 and 793.91 is: 1,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.94 : 3,823.95 = 793.91 : x
  2. Step 2: Convert to fraction form
    2,548.94/3,823.95 = 793.91/x
  3. Step 3: Cross multiply
    2,548.94x = 3,823.95 × 793.91
  4. Step 4: Simplify right side
    2,548.94x = 3,035,853.02
  5. Step 5: Solve for x
    x = 3,035,853.02/2,548.94
  6. Step 6: Final answer
    x = 1,191.03

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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.