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Finding the Fourth Proportional to 66,473.37, 91,734.33 and 36,258.69

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Solution

The fourth proportional to 66,473.37, 91,734.33 and 36,258.69 is: 50,037.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,473.37 : 91,734.33 = 36,258.69 : x
  2. Step 2: Convert to fraction form
    66,473.37/91,734.33 = 36,258.69/x
  3. Step 3: Cross multiply
    66,473.37x = 91,734.33 × 36,258.69
  4. Step 4: Simplify right side
    66,473.37x = 3,326,166,633.83
  5. Step 5: Solve for x
    x = 3,326,166,633.83/66,473.37
  6. Step 6: Final answer
    x = 50,037.58

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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.