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Finding the Fourth Proportional to 3,334.05, 5,001.05 and 3,131.05

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Solution

The fourth proportional to 3,334.05, 5,001.05 and 3,131.05 is: 4,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.05 : 5,001.05 = 3,131.05 : x
  2. Step 2: Convert to fraction form
    3,334.05/5,001.05 = 3,131.05/x
  3. Step 3: Cross multiply
    3,334.05x = 5,001.05 × 3,131.05
  4. Step 4: Simplify right side
    3,334.05x = 15,658,537.60
  5. Step 5: Solve for x
    x = 15,658,537.60/3,334.05
  6. Step 6: Final answer
    x = 4,696.56

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Half scale
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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.