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Finding the Fourth Proportional to 3,258.76, 4,888.11 and 793.58

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Solution

The fourth proportional to 3,258.76, 4,888.11 and 793.58 is: 1,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.76 : 4,888.11 = 793.58 : x
  2. Step 2: Convert to fraction form
    3,258.76/4,888.11 = 793.58/x
  3. Step 3: Cross multiply
    3,258.76x = 4,888.11 × 793.58
  4. Step 4: Simplify right side
    3,258.76x = 3,879,106.33
  5. Step 5: Solve for x
    x = 3,879,106.33/3,258.76
  6. Step 6: Final answer
    x = 1,190.36

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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.