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Finding the Fourth Proportional to 43,376.70, 65,063.43 and 13,793.70

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Solution

The fourth proportional to 43,376.70, 65,063.43 and 13,793.70 is: 20,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,376.70 : 65,063.43 = 13,793.70 : x
  2. Step 2: Convert to fraction form
    43,376.70/65,063.43 = 13,793.70/x
  3. Step 3: Cross multiply
    43,376.70x = 65,063.43 × 13,793.70
  4. Step 4: Simplify right side
    43,376.70x = 897,465,434.39
  5. Step 5: Solve for x
    x = 897,465,434.39/43,376.70
  6. Step 6: Final answer
    x = 20,690.03

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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.