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Finding the Fourth Proportional to 6,635.56, 9,157.54 and 4,747.32

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Solution

The fourth proportional to 6,635.56, 9,157.54 and 4,747.32 is: 6,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.56 : 9,157.54 = 4,747.32 : x
  2. Step 2: Convert to fraction form
    6,635.56/9,157.54 = 4,747.32/x
  3. Step 3: Cross multiply
    6,635.56x = 9,157.54 × 4,747.32
  4. Step 4: Simplify right side
    6,635.56x = 43,473,772.79
  5. Step 5: Solve for x
    x = 43,473,772.79/6,635.56
  6. Step 6: Final answer
    x = 6,551.64

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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.