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Finding the Fourth Proportional to 3,259.15, 4,888.72 and 793.97

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Solution

The fourth proportional to 3,259.15, 4,888.72 and 793.97 is: 1,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.15 : 4,888.72 = 793.97 : x
  2. Step 2: Convert to fraction form
    3,259.15/4,888.72 = 793.97/x
  3. Step 3: Cross multiply
    3,259.15x = 4,888.72 × 793.97
  4. Step 4: Simplify right side
    3,259.15x = 3,881,497.02
  5. Step 5: Solve for x
    x = 3,881,497.02/3,259.15
  6. Step 6: Final answer
    x = 1,190.95

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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.