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Finding the Fourth Proportional to 8,809.36, 13,208.14 and 4,644.97

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Solution

The fourth proportional to 8,809.36, 13,208.14 and 4,644.97 is: 6,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.36 : 13,208.14 = 4,644.97 : x
  2. Step 2: Convert to fraction form
    8,809.36/13,208.14 = 4,644.97/x
  3. Step 3: Cross multiply
    8,809.36x = 13,208.14 × 4,644.97
  4. Step 4: Simplify right side
    8,809.36x = 61,351,414.06
  5. Step 5: Solve for x
    x = 61,351,414.06/8,809.36
  6. Step 6: Final answer
    x = 6,964.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.