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Finding the Fourth Proportional to 43,763.20, 65,493.60 and 26,245.60

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Solution

The fourth proportional to 43,763.20, 65,493.60 and 26,245.60 is: 39,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,763.20 : 65,493.60 = 26,245.60 : x
  2. Step 2: Convert to fraction form
    43,763.20/65,493.60 = 26,245.60/x
  3. Step 3: Cross multiply
    43,763.20x = 65,493.60 × 26,245.60
  4. Step 4: Simplify right side
    43,763.20x = 1,718,918,828.16
  5. Step 5: Solve for x
    x = 1,718,918,828.16/43,763.20
  6. Step 6: Final answer
    x = 39,277.72

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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.