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Finding the Fourth Proportional to 2,697.52, 4,046.96 and 942.32

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Solution

The fourth proportional to 2,697.52, 4,046.96 and 942.32 is: 1,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.52 : 4,046.96 = 942.32 : x
  2. Step 2: Convert to fraction form
    2,697.52/4,046.96 = 942.32/x
  3. Step 3: Cross multiply
    2,697.52x = 4,046.96 × 942.32
  4. Step 4: Simplify right side
    2,697.52x = 3,813,531.35
  5. Step 5: Solve for x
    x = 3,813,531.35/2,697.52
  6. Step 6: Final answer
    x = 1,413.72

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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.