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Finding the Fourth Proportional to 66,377.98, 91,598.97 and 36,163.54

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Solution

The fourth proportional to 66,377.98, 91,598.97 and 36,163.54 is: 49,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,377.98 : 91,598.97 = 36,163.54 : x
  2. Step 2: Convert to fraction form
    66,377.98/91,598.97 = 36,163.54/x
  3. Step 3: Cross multiply
    66,377.98x = 91,598.97 × 36,163.54
  4. Step 4: Simplify right side
    66,377.98x = 3,312,543,015.55
  5. Step 5: Solve for x
    x = 3,312,543,015.55/66,377.98
  6. Step 6: Final answer
    x = 49,904.25

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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.