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Finding the Fourth Proportional to 66,370.30, 91,590.97 and 36,562.30

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Solution

The fourth proportional to 66,370.30, 91,590.97 and 36,562.30 is: 50,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,370.30 : 91,590.97 = 36,562.30 : x
  2. Step 2: Convert to fraction form
    66,370.30/91,590.97 = 36,562.30/x
  3. Step 3: Cross multiply
    66,370.30x = 91,590.97 × 36,562.30
  4. Step 4: Simplify right side
    66,370.30x = 3,348,776,522.43
  5. Step 5: Solve for x
    x = 3,348,776,522.43/66,370.30
  6. Step 6: Final answer
    x = 50,455.95

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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.