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Finding the Fourth Proportional to 66,008.98, 91,093.17 and 36,200.98

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Solution

The fourth proportional to 66,008.98, 91,093.17 and 36,200.98 is: 49,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,008.98 : 91,093.17 = 36,200.98 : x
  2. Step 2: Convert to fraction form
    66,008.98/91,093.17 = 36,200.98/x
  3. Step 3: Cross multiply
    66,008.98x = 91,093.17 × 36,200.98
  4. Step 4: Simplify right side
    66,008.98x = 3,297,662,025.31
  5. Step 5: Solve for x
    x = 3,297,662,025.31/66,008.98
  6. Step 6: Final answer
    x = 49,957.78

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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.