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Finding the Fourth Proportional to 66,747.70, 92,113.25 and 36,534.29

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Solution

The fourth proportional to 66,747.70, 92,113.25 and 36,534.29 is: 50,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,747.70 : 92,113.25 = 36,534.29 : x
  2. Step 2: Convert to fraction form
    66,747.70/92,113.25 = 36,534.29/x
  3. Step 3: Cross multiply
    66,747.70x = 92,113.25 × 36,534.29
  4. Step 4: Simplify right side
    66,747.70x = 3,365,292,268.75
  5. Step 5: Solve for x
    x = 3,365,292,268.75/66,747.70
  6. Step 6: Final answer
    x = 50,418.10

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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.