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Finding the Fourth Proportional to 5,844.90, 8,771.18 and 2,147.16

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Solution

The fourth proportional to 5,844.90, 8,771.18 and 2,147.16 is: 3,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,844.90 : 8,771.18 = 2,147.16 : x
  2. Step 2: Convert to fraction form
    5,844.90/8,771.18 = 2,147.16/x
  3. Step 3: Cross multiply
    5,844.90x = 8,771.18 × 2,147.16
  4. Step 4: Simplify right side
    5,844.90x = 18,833,132.22
  5. Step 5: Solve for x
    x = 18,833,132.22/5,844.90
  6. Step 6: Final answer
    x = 3,222.15

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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.