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Finding the Fourth Proportional to 6,476.49, 8,898.83 and 5,147.89

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Solution

The fourth proportional to 6,476.49, 8,898.83 and 5,147.89 is: 7,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476.49 : 8,898.83 = 5,147.89 : x
  2. Step 2: Convert to fraction form
    6,476.49/8,898.83 = 5,147.89/x
  3. Step 3: Cross multiply
    6,476.49x = 8,898.83 × 5,147.89
  4. Step 4: Simplify right side
    6,476.49x = 45,810,197.97
  5. Step 5: Solve for x
    x = 45,810,197.97/6,476.49
  6. Step 6: Final answer
    x = 7,073.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.