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Finding the Fourth Proportional to 5,597.12, 7,724.09 and 3,207.05

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Solution

The fourth proportional to 5,597.12, 7,724.09 and 3,207.05 is: 4,425.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,597.12 : 7,724.09 = 3,207.05 : x
  2. Step 2: Convert to fraction form
    5,597.12/7,724.09 = 3,207.05/x
  3. Step 3: Cross multiply
    5,597.12x = 7,724.09 × 3,207.05
  4. Step 4: Simplify right side
    5,597.12x = 24,771,532.73
  5. Step 5: Solve for x
    x = 24,771,532.73/5,597.12
  6. Step 6: Final answer
    x = 4,425.76

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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.