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Finding the Fourth Proportional to 66,662.08, 91,993.44 and 36,854.08

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Solution

The fourth proportional to 66,662.08, 91,993.44 and 36,854.08 is: 50,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,662.08 : 91,993.44 = 36,854.08 : x
  2. Step 2: Convert to fraction form
    66,662.08/91,993.44 = 36,854.08/x
  3. Step 3: Cross multiply
    66,662.08x = 91,993.44 × 36,854.08
  4. Step 4: Simplify right side
    66,662.08x = 3,390,333,597.24
  5. Step 5: Solve for x
    x = 3,390,333,597.24/66,662.08
  6. Step 6: Final answer
    x = 50,858.50

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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.