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Finding the Fourth Proportional to 6,975, 9,622.08 and 4,619.07

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Solution

The fourth proportional to 6,975, 9,622.08 and 4,619.07 is: 6,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975 : 9,622.08 = 4,619.07 : x
  2. Step 2: Convert to fraction form
    6,975/9,622.08 = 4,619.07/x
  3. Step 3: Cross multiply
    6,975x = 9,622.08 × 4,619.07
  4. Step 4: Simplify right side
    6,975x = 44,445,061.07
  5. Step 5: Solve for x
    x = 44,445,061.07/6,975
  6. Step 6: Final answer
    x = 6,372.05

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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.