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Finding the Fourth Proportional to 6,967, 9,618.90 and 4,487.32

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Solution

The fourth proportional to 6,967, 9,618.90 and 4,487.32 is: 6,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967 : 9,618.90 = 4,487.32 : x
  2. Step 2: Convert to fraction form
    6,967/9,618.90 = 4,487.32/x
  3. Step 3: Cross multiply
    6,967x = 9,618.90 × 4,487.32
  4. Step 4: Simplify right side
    6,967x = 43,163,082.35
  5. Step 5: Solve for x
    x = 43,163,082.35/6,967
  6. Step 6: Final answer
    x = 6,195.36

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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.