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Finding the Fourth Proportional to 66,957.49, 92,400.60 and 36,743.05

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Solution

The fourth proportional to 66,957.49, 92,400.60 and 36,743.05 is: 50,705.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,957.49 : 92,400.60 = 36,743.05 : x
  2. Step 2: Convert to fraction form
    66,957.49/92,400.60 = 36,743.05/x
  3. Step 3: Cross multiply
    66,957.49x = 92,400.60 × 36,743.05
  4. Step 4: Simplify right side
    66,957.49x = 3,395,079,865.83
  5. Step 5: Solve for x
    x = 3,395,079,865.83/66,957.49
  6. Step 6: Final answer
    x = 50,705.01

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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.