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Finding the Fourth Proportional to 6,858.73, 9,469.07 and 4,505.01

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Solution

The fourth proportional to 6,858.73, 9,469.07 and 4,505.01 is: 6,219.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.73 : 9,469.07 = 4,505.01 : x
  2. Step 2: Convert to fraction form
    6,858.73/9,469.07 = 4,505.01/x
  3. Step 3: Cross multiply
    6,858.73x = 9,469.07 × 4,505.01
  4. Step 4: Simplify right side
    6,858.73x = 42,658,255.04
  5. Step 5: Solve for x
    x = 42,658,255.04/6,858.73
  6. Step 6: Final answer
    x = 6,219.56

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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.