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Finding the Fourth Proportional to 9,071.76, 13,605.84 and 3,227.64

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Solution

The fourth proportional to 9,071.76, 13,605.84 and 3,227.64 is: 4,840.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.76 : 13,605.84 = 3,227.64 : x
  2. Step 2: Convert to fraction form
    9,071.76/13,605.84 = 3,227.64/x
  3. Step 3: Cross multiply
    9,071.76x = 13,605.84 × 3,227.64
  4. Step 4: Simplify right side
    9,071.76x = 43,914,753.42
  5. Step 5: Solve for x
    x = 43,914,753.42/9,071.76
  6. Step 6: Final answer
    x = 4,840.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.