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Finding the Fourth Proportional to 3,258.36, 4,887.47 and 793.19

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Solution

The fourth proportional to 3,258.36, 4,887.47 and 793.19 is: 1,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.36 : 4,887.47 = 793.19 : x
  2. Step 2: Convert to fraction form
    3,258.36/4,887.47 = 793.19/x
  3. Step 3: Cross multiply
    3,258.36x = 4,887.47 × 793.19
  4. Step 4: Simplify right side
    3,258.36x = 3,876,706.53
  5. Step 5: Solve for x
    x = 3,876,706.53/3,258.36
  6. Step 6: Final answer
    x = 1,189.77

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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.