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Finding the Fourth Proportional to 66,865.98, 92,274.48 and 36,652.98

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Solution

The fourth proportional to 66,865.98, 92,274.48 and 36,652.98 is: 50,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,865.98 : 92,274.48 = 36,652.98 : x
  2. Step 2: Convert to fraction form
    66,865.98/92,274.48 = 36,652.98/x
  3. Step 3: Cross multiply
    66,865.98x = 92,274.48 × 36,652.98
  4. Step 4: Simplify right side
    66,865.98x = 3,382,134,669.95
  5. Step 5: Solve for x
    x = 3,382,134,669.95/66,865.98
  6. Step 6: Final answer
    x = 50,580.80

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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.