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Finding the Fourth Proportional to 66,910.50, 92,336.49 and 37,102.50

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Solution

The fourth proportional to 66,910.50, 92,336.49 and 37,102.50 is: 51,201.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,910.50 : 92,336.49 = 37,102.50 : x
  2. Step 2: Convert to fraction form
    66,910.50/92,336.49 = 37,102.50/x
  3. Step 3: Cross multiply
    66,910.50x = 92,336.49 × 37,102.50
  4. Step 4: Simplify right side
    66,910.50x = 3,425,914,620.23
  5. Step 5: Solve for x
    x = 3,425,914,620.23/66,910.50
  6. Step 6: Final answer
    x = 51,201.45

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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.