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Finding the Fourth Proportional to 3,863.72, 5,795.56 and 942.04

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Solution

The fourth proportional to 3,863.72, 5,795.56 and 942.04 is: 1,413.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.72 : 5,795.56 = 942.04 : x
  2. Step 2: Convert to fraction form
    3,863.72/5,795.56 = 942.04/x
  3. Step 3: Cross multiply
    3,863.72x = 5,795.56 × 942.04
  4. Step 4: Simplify right side
    3,863.72x = 5,459,649.34
  5. Step 5: Solve for x
    x = 5,459,649.34/3,863.72
  6. Step 6: Final answer
    x = 1,413.06

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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.