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Finding the Fourth Proportional to 66,805.42, 92,191.52 and 36,590.73

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Solution

The fourth proportional to 66,805.42, 92,191.52 and 36,590.73 is: 50,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,805.42 : 92,191.52 = 36,590.73 : x
  2. Step 2: Convert to fraction form
    66,805.42/92,191.52 = 36,590.73/x
  3. Step 3: Cross multiply
    66,805.42x = 92,191.52 × 36,590.73
  4. Step 4: Simplify right side
    66,805.42x = 3,373,355,016.61
  5. Step 5: Solve for x
    x = 3,373,355,016.61/66,805.42
  6. Step 6: Final answer
    x = 50,495.23

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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.