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Finding the Fourth Proportional to 66,558.96, 91,850.14 and 36,343.46

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Solution

The fourth proportional to 66,558.96, 91,850.14 and 36,343.46 is: 50,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,558.96 : 91,850.14 = 36,343.46 : x
  2. Step 2: Convert to fraction form
    66,558.96/91,850.14 = 36,343.46/x
  3. Step 3: Cross multiply
    66,558.96x = 91,850.14 × 36,343.46
  4. Step 4: Simplify right side
    66,558.96x = 3,338,151,889.08
  5. Step 5: Solve for x
    x = 3,338,151,889.08/66,558.96
  6. Step 6: Final answer
    x = 50,153.31

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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.