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Finding the Fourth Proportional to 13,042.22, 17,993.54 and 8,568.38

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Solution

The fourth proportional to 13,042.22, 17,993.54 and 8,568.38 is: 11,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.22 : 17,993.54 = 8,568.38 : x
  2. Step 2: Convert to fraction form
    13,042.22/17,993.54 = 8,568.38/x
  3. Step 3: Cross multiply
    13,042.22x = 17,993.54 × 8,568.38
  4. Step 4: Simplify right side
    13,042.22x = 154,175,554.67
  5. Step 5: Solve for x
    x = 154,175,554.67/13,042.22
  6. Step 6: Final answer
    x = 11,821.27

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Half scale
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Double scale
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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.