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Finding the Fourth Proportional to 2,480.84, 3,719.04 and 942.92

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Solution

The fourth proportional to 2,480.84, 3,719.04 and 942.92 is: 1,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.84 : 3,719.04 = 942.92 : x
  2. Step 2: Convert to fraction form
    2,480.84/3,719.04 = 942.92/x
  3. Step 3: Cross multiply
    2,480.84x = 3,719.04 × 942.92
  4. Step 4: Simplify right side
    2,480.84x = 3,506,757.20
  5. Step 5: Solve for x
    x = 3,506,757.20/2,480.84
  6. Step 6: Final answer
    x = 1,413.54

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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.