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Finding the Fourth Proportional to 66,169.64, 91,314.33 and 37,875.33

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Solution

The fourth proportional to 66,169.64, 91,314.33 and 37,875.33 is: 52,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,169.64 : 91,314.33 = 37,875.33 : x
  2. Step 2: Convert to fraction form
    66,169.64/91,314.33 = 37,875.33/x
  3. Step 3: Cross multiply
    66,169.64x = 91,314.33 × 37,875.33
  4. Step 4: Simplify right side
    66,169.64x = 3,458,560,382.48
  5. Step 5: Solve for x
    x = 3,458,560,382.48/66,169.64
  6. Step 6: Final answer
    x = 52,268.09

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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.