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Finding the Fourth Proportional to 43,908.76, 65,873.57 and 14,326.60

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Solution

The fourth proportional to 43,908.76, 65,873.57 and 14,326.60 is: 21,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,908.76 : 65,873.57 = 14,326.60 : x
  2. Step 2: Convert to fraction form
    43,908.76/65,873.57 = 14,326.60/x
  3. Step 3: Cross multiply
    43,908.76x = 65,873.57 × 14,326.60
  4. Step 4: Simplify right side
    43,908.76x = 943,744,287.96
  5. Step 5: Solve for x
    x = 943,744,287.96/43,908.76
  6. Step 6: Final answer
    x = 21,493.30

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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.