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Finding the Fourth Proportional to 66,804.80, 92,190.66 and 36,590.11

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Solution

The fourth proportional to 66,804.80, 92,190.66 and 36,590.11 is: 50,494.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,804.80 : 92,190.66 = 36,590.11 : x
  2. Step 2: Convert to fraction form
    66,804.80/92,190.66 = 36,590.11/x
  3. Step 3: Cross multiply
    66,804.80x = 92,190.66 × 36,590.11
  4. Step 4: Simplify right side
    66,804.80x = 3,373,266,022.68
  5. Step 5: Solve for x
    x = 3,373,266,022.68/66,804.80
  6. Step 6: Final answer
    x = 50,494.37

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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.