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Finding the Fourth Proportional to 13,297.59, 18,350.58 and 7,329.26

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Solution

The fourth proportional to 13,297.59, 18,350.58 and 7,329.26 is: 10,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.59 : 18,350.58 = 7,329.26 : x
  2. Step 2: Convert to fraction form
    13,297.59/18,350.58 = 7,329.26/x
  3. Step 3: Cross multiply
    13,297.59x = 18,350.58 × 7,329.26
  4. Step 4: Simplify right side
    13,297.59x = 134,496,171.97
  5. Step 5: Solve for x
    x = 134,496,171.97/13,297.59
  6. Step 6: Final answer
    x = 10,114.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.