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Finding the Fourth Proportional to 60,640.60, 90,850.06 and 43,959.26

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Solution

The fourth proportional to 60,640.60, 90,850.06 and 43,959.26 is: 65,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,640.60 : 90,850.06 = 43,959.26 : x
  2. Step 2: Convert to fraction form
    60,640.60/90,850.06 = 43,959.26/x
  3. Step 3: Cross multiply
    60,640.60x = 90,850.06 × 43,959.26
  4. Step 4: Simplify right side
    60,640.60x = 3,993,700,954.31
  5. Step 5: Solve for x
    x = 3,993,700,954.31/60,640.60
  6. Step 6: Final answer
    x = 65,858.53

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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.