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Finding the Fourth Proportional to 43,993.69, 65,989.85 and 10,713.70

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Solution

The fourth proportional to 43,993.69, 65,989.85 and 10,713.70 is: 16,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,993.69 : 65,989.85 = 10,713.70 : x
  2. Step 2: Convert to fraction form
    43,993.69/65,989.85 = 10,713.70/x
  3. Step 3: Cross multiply
    43,993.69x = 65,989.85 × 10,713.70
  4. Step 4: Simplify right side
    43,993.69x = 706,995,455.95
  5. Step 5: Solve for x
    x = 706,995,455.95/43,993.69
  6. Step 6: Final answer
    x = 16,070.38

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Similar ratio
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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.