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Finding the Fourth Proportional to 66,110.94, 91,230.39 and 35,895.09

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Solution

The fourth proportional to 66,110.94, 91,230.39 and 35,895.09 is: 49,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,110.94 : 91,230.39 = 35,895.09 : x
  2. Step 2: Convert to fraction form
    66,110.94/91,230.39 = 35,895.09/x
  3. Step 3: Cross multiply
    66,110.94x = 91,230.39 × 35,895.09
  4. Step 4: Simplify right side
    66,110.94x = 3,274,723,059.79
  5. Step 5: Solve for x
    x = 3,274,723,059.79/66,110.94
  6. Step 6: Final answer
    x = 49,533.75

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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.