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Finding the Fourth Proportional to 66,370.96, 91,590.12 and 36,562.96

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Solution

The fourth proportional to 66,370.96, 91,590.12 and 36,562.96 is: 50,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,370.96 : 91,590.12 = 36,562.96 : x
  2. Step 2: Convert to fraction form
    66,370.96/91,590.12 = 36,562.96/x
  3. Step 3: Cross multiply
    66,370.96x = 91,590.12 × 36,562.96
  4. Step 4: Simplify right side
    66,370.96x = 3,348,805,893.96
  5. Step 5: Solve for x
    x = 3,348,805,893.96/66,370.96
  6. Step 6: Final answer
    x = 50,455.89

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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.