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Finding the Fourth Proportional to 11,654.20, 17,446.94 and 7,698.20

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Solution

The fourth proportional to 11,654.20, 17,446.94 and 7,698.20 is: 11,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,654.20 : 17,446.94 = 7,698.20 : x
  2. Step 2: Convert to fraction form
    11,654.20/17,446.94 = 7,698.20/x
  3. Step 3: Cross multiply
    11,654.20x = 17,446.94 × 7,698.20
  4. Step 4: Simplify right side
    11,654.20x = 134,310,033.51
  5. Step 5: Solve for x
    x = 134,310,033.51/11,654.20
  6. Step 6: Final answer
    x = 11,524.60

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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.