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Finding the Fourth Proportional to 17,701, 26,549.66 and 11,107.64

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Solution

The fourth proportional to 17,701, 26,549.66 and 11,107.64 is: 16,660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,701 : 26,549.66 = 11,107.64 : x
  2. Step 2: Convert to fraction form
    17,701/26,549.66 = 11,107.64/x
  3. Step 3: Cross multiply
    17,701x = 26,549.66 × 11,107.64
  4. Step 4: Simplify right side
    17,701x = 294,904,065.40
  5. Step 5: Solve for x
    x = 294,904,065.40/17,701
  6. Step 6: Final answer
    x = 16,660.31

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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.