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Finding the Fourth Proportional to 66,941.69, 92,380.47 and 36,726.46

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Solution

The fourth proportional to 66,941.69, 92,380.47 and 36,726.46 is: 50,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,941.69 : 92,380.47 = 36,726.46 : x
  2. Step 2: Convert to fraction form
    66,941.69/92,380.47 = 36,726.46/x
  3. Step 3: Cross multiply
    66,941.69x = 92,380.47 × 36,726.46
  4. Step 4: Simplify right side
    66,941.69x = 3,392,808,097.08
  5. Step 5: Solve for x
    x = 3,392,808,097.08/66,941.69
  6. Step 6: Final answer
    x = 50,683.04

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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.