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Finding the Fourth Proportional to 11,766.01, 17,652.26 and 3,980.29

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Solution

The fourth proportional to 11,766.01, 17,652.26 and 3,980.29 is: 5,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.01 : 17,652.26 = 3,980.29 : x
  2. Step 2: Convert to fraction form
    11,766.01/17,652.26 = 3,980.29/x
  3. Step 3: Cross multiply
    11,766.01x = 17,652.26 × 3,980.29
  4. Step 4: Simplify right side
    11,766.01x = 70,261,094.05
  5. Step 5: Solve for x
    x = 70,261,094.05/11,766.01
  6. Step 6: Final answer
    x = 5,971.53

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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.