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Finding the Fourth Proportional to 6,635.64, 9,157.62 and 4,393.62

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Solution

The fourth proportional to 6,635.64, 9,157.62 and 4,393.62 is: 6,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.64 : 9,157.62 = 4,393.62 : x
  2. Step 2: Convert to fraction form
    6,635.64/9,157.62 = 4,393.62/x
  3. Step 3: Cross multiply
    6,635.64x = 9,157.62 × 4,393.62
  4. Step 4: Simplify right side
    6,635.64x = 40,235,102.38
  5. Step 5: Solve for x
    x = 40,235,102.38/6,635.64
  6. Step 6: Final answer
    x = 6,063.48

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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.