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Finding the Fourth Proportional to 66,114.58, 91,237.62 and 35,899.32

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Solution

The fourth proportional to 66,114.58, 91,237.62 and 35,899.32 is: 49,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,114.58 : 91,237.62 = 35,899.32 : x
  2. Step 2: Convert to fraction form
    66,114.58/91,237.62 = 35,899.32/x
  3. Step 3: Cross multiply
    66,114.58x = 91,237.62 × 35,899.32
  4. Step 4: Simplify right side
    66,114.58x = 3,275,368,516.42
  5. Step 5: Solve for x
    x = 3,275,368,516.42/66,114.58
  6. Step 6: Final answer
    x = 49,540.79

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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.