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Finding the Fourth Proportional to 15,843.96, 23,771.36 and 5,986.08

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Solution

The fourth proportional to 15,843.96, 23,771.36 and 5,986.08 is: 8,981.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,843.96 : 23,771.36 = 5,986.08 : x
  2. Step 2: Convert to fraction form
    15,843.96/23,771.36 = 5,986.08/x
  3. Step 3: Cross multiply
    15,843.96x = 23,771.36 × 5,986.08
  4. Step 4: Simplify right side
    15,843.96x = 142,297,262.67
  5. Step 5: Solve for x
    x = 142,297,262.67/15,843.96
  6. Step 6: Final answer
    x = 8,981.17

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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.