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Finding the Fourth Proportional to 8,323.16, 12,480.62 and 2,774.60

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Solution

The fourth proportional to 8,323.16, 12,480.62 and 2,774.60 is: 4,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.16 : 12,480.62 = 2,774.60 : x
  2. Step 2: Convert to fraction form
    8,323.16/12,480.62 = 2,774.60/x
  3. Step 3: Cross multiply
    8,323.16x = 12,480.62 × 2,774.60
  4. Step 4: Simplify right side
    8,323.16x = 34,628,728.25
  5. Step 5: Solve for x
    x = 34,628,728.25/8,323.16
  6. Step 6: Final answer
    x = 4,160.53

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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.