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Finding the Fourth Proportional to 66,360.75, 91,577.84 and 36,552.75

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Solution

The fourth proportional to 66,360.75, 91,577.84 and 36,552.75 is: 50,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,360.75 : 91,577.84 = 36,552.75 : x
  2. Step 2: Convert to fraction form
    66,360.75/91,577.84 = 36,552.75/x
  3. Step 3: Cross multiply
    66,360.75x = 91,577.84 × 36,552.75
  4. Step 4: Simplify right side
    66,360.75x = 3,347,421,891.06
  5. Step 5: Solve for x
    x = 3,347,421,891.06/66,360.75
  6. Step 6: Final answer
    x = 50,442.80

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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.