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Finding the Fourth Proportional to 66,868.98, 92,278.62 and 36,655.98

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Solution

The fourth proportional to 66,868.98, 92,278.62 and 36,655.98 is: 50,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,868.98 : 92,278.62 = 36,655.98 : x
  2. Step 2: Convert to fraction form
    66,868.98/92,278.62 = 36,655.98/x
  3. Step 3: Cross multiply
    66,868.98x = 92,278.62 × 36,655.98
  4. Step 4: Simplify right side
    66,868.98x = 3,382,563,249.15
  5. Step 5: Solve for x
    x = 3,382,563,249.15/66,868.98
  6. Step 6: Final answer
    x = 50,584.94

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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.