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Finding the Fourth Proportional to 66,814.50, 92,200.72 and 36,599.95

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Solution

The fourth proportional to 66,814.50, 92,200.72 and 36,599.95 is: 50,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,814.50 : 92,200.72 = 36,599.95 : x
  2. Step 2: Convert to fraction form
    66,814.50/92,200.72 = 36,599.95/x
  3. Step 3: Cross multiply
    66,814.50x = 92,200.72 × 36,599.95
  4. Step 4: Simplify right side
    66,814.50x = 3,374,541,741.96
  5. Step 5: Solve for x
    x = 3,374,541,741.96/66,814.50
  6. Step 6: Final answer
    x = 50,506.13

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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.