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Finding the Fourth Proportional to 43,994.37, 65,998.55 and 15,911.55

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Solution

The fourth proportional to 43,994.37, 65,998.55 and 15,911.55 is: 23,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,994.37 : 65,998.55 = 15,911.55 : x
  2. Step 2: Convert to fraction form
    43,994.37/65,998.55 = 15,911.55/x
  3. Step 3: Cross multiply
    43,994.37x = 65,998.55 × 15,911.55
  4. Step 4: Simplify right side
    43,994.37x = 1,050,139,148.69
  5. Step 5: Solve for x
    x = 1,050,139,148.69/43,994.37
  6. Step 6: Final answer
    x = 23,869.85

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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.