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Finding the Fourth Proportional to 6,910.91, 9,533.46 and 4,388.70

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Solution

The fourth proportional to 6,910.91, 9,533.46 and 4,388.70 is: 6,054.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.91 : 9,533.46 = 4,388.70 : x
  2. Step 2: Convert to fraction form
    6,910.91/9,533.46 = 4,388.70/x
  3. Step 3: Cross multiply
    6,910.91x = 9,533.46 × 4,388.70
  4. Step 4: Simplify right side
    6,910.91x = 41,839,495.90
  5. Step 5: Solve for x
    x = 41,839,495.90/6,910.91
  6. Step 6: Final answer
    x = 6,054.12

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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.