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Finding the Fourth Proportional to 60,954.40, 91,431.60 and 29,850.40

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Solution

The fourth proportional to 60,954.40, 91,431.60 and 29,850.40 is: 44,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,954.40 : 91,431.60 = 29,850.40 : x
  2. Step 2: Convert to fraction form
    60,954.40/91,431.60 = 29,850.40/x
  3. Step 3: Cross multiply
    60,954.40x = 91,431.60 × 29,850.40
  4. Step 4: Simplify right side
    60,954.40x = 2,729,269,832.64
  5. Step 5: Solve for x
    x = 2,729,269,832.64/60,954.40
  6. Step 6: Final answer
    x = 44,775.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.