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Finding the Fourth Proportional to 5,776.22, 7,967.22 and 3,679.40

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Solution

The fourth proportional to 5,776.22, 7,967.22 and 3,679.40 is: 5,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.22 : 7,967.22 = 3,679.40 : x
  2. Step 2: Convert to fraction form
    5,776.22/7,967.22 = 3,679.40/x
  3. Step 3: Cross multiply
    5,776.22x = 7,967.22 × 3,679.40
  4. Step 4: Simplify right side
    5,776.22x = 29,314,589.27
  5. Step 5: Solve for x
    x = 29,314,589.27/5,776.22
  6. Step 6: Final answer
    x = 5,075.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.