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Finding the Fourth Proportional to 43,503.96, 65,260.68 and 13,914.84

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Solution

The fourth proportional to 43,503.96, 65,260.68 and 13,914.84 is: 20,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,503.96 : 65,260.68 = 13,914.84 : x
  2. Step 2: Convert to fraction form
    43,503.96/65,260.68 = 13,914.84/x
  3. Step 3: Cross multiply
    43,503.96x = 65,260.68 × 13,914.84
  4. Step 4: Simplify right side
    43,503.96x = 908,091,920.49
  5. Step 5: Solve for x
    x = 908,091,920.49/43,503.96
  6. Step 6: Final answer
    x = 20,873.78

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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.