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Finding the Fourth Proportional to 11,698.56, 17,397.39 and 11,329.42

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Solution

The fourth proportional to 11,698.56, 17,397.39 and 11,329.42 is: 16,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.56 : 17,397.39 = 11,329.42 : x
  2. Step 2: Convert to fraction form
    11,698.56/17,397.39 = 11,329.42/x
  3. Step 3: Cross multiply
    11,698.56x = 17,397.39 × 11,329.42
  4. Step 4: Simplify right side
    11,698.56x = 197,102,338.21
  5. Step 5: Solve for x
    x = 197,102,338.21/11,698.56
  6. Step 6: Final answer
    x = 16,848.43

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.