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Finding the Fourth Proportional to 9,329.00, 13,993.49 and 6,398.42

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Solution

The fourth proportional to 9,329.00, 13,993.49 and 6,398.42 is: 9,597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.00 : 13,993.49 = 6,398.42 : x
  2. Step 2: Convert to fraction form
    9,329.00/13,993.49 = 6,398.42/x
  3. Step 3: Cross multiply
    9,329.00x = 13,993.49 × 6,398.42
  4. Step 4: Simplify right side
    9,329.00x = 89,536,172.31
  5. Step 5: Solve for x
    x = 89,536,172.31/9,329.00
  6. Step 6: Final answer
    x = 9,597.62

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.