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Finding the Fourth Proportional to 35,393.49, 53,077.60 and 11,696.67

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Solution

The fourth proportional to 35,393.49, 53,077.60 and 11,696.67 is: 17,540.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,393.49 : 53,077.60 = 11,696.67 : x
  2. Step 2: Convert to fraction form
    35,393.49/53,077.60 = 11,696.67/x
  3. Step 3: Cross multiply
    35,393.49x = 53,077.60 × 11,696.67
  4. Step 4: Simplify right side
    35,393.49x = 620,831,171.59
  5. Step 5: Solve for x
    x = 620,831,171.59/35,393.49
  6. Step 6: Final answer
    x = 17,540.83

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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.