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Finding the Fourth Proportional to 7,000.94, 9,662.72 and 4,018.82

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Solution

The fourth proportional to 7,000.94, 9,662.72 and 4,018.82 is: 5,546.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.94 : 9,662.72 = 4,018.82 : x
  2. Step 2: Convert to fraction form
    7,000.94/9,662.72 = 4,018.82/x
  3. Step 3: Cross multiply
    7,000.94x = 9,662.72 × 4,018.82
  4. Step 4: Simplify right side
    7,000.94x = 38,832,736.45
  5. Step 5: Solve for x
    x = 38,832,736.45/7,000.94
  6. Step 6: Final answer
    x = 5,546.79

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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.