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Finding the Fourth Proportional to 66,096.44, 91,392.48 and 65,028.14

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Solution

The fourth proportional to 66,096.44, 91,392.48 and 65,028.14 is: 89,915.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,096.44 : 91,392.48 = 65,028.14 : x
  2. Step 2: Convert to fraction form
    66,096.44/91,392.48 = 65,028.14/x
  3. Step 3: Cross multiply
    66,096.44x = 91,392.48 × 65,028.14
  4. Step 4: Simplify right side
    66,096.44x = 5,943,082,984.39
  5. Step 5: Solve for x
    x = 5,943,082,984.39/66,096.44
  6. Step 6: Final answer
    x = 89,915.33

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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.