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Finding the Fourth Proportional to 11,773.04, 17,626.60 and 8,643.20

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Solution

The fourth proportional to 11,773.04, 17,626.60 and 8,643.20 is: 12,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,773.04 : 17,626.60 = 8,643.20 : x
  2. Step 2: Convert to fraction form
    11,773.04/17,626.60 = 8,643.20/x
  3. Step 3: Cross multiply
    11,773.04x = 17,626.60 × 8,643.20
  4. Step 4: Simplify right side
    11,773.04x = 152,350,229.12
  5. Step 5: Solve for x
    x = 152,350,229.12/11,773.04
  6. Step 6: Final answer
    x = 12,940.60

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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.