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Finding the Fourth Proportional to 43,271.82, 64,944.45 and 16,994.88

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Solution

The fourth proportional to 43,271.82, 64,944.45 and 16,994.88 is: 25,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,271.82 : 64,944.45 = 16,994.88 : x
  2. Step 2: Convert to fraction form
    43,271.82/64,944.45 = 16,994.88/x
  3. Step 3: Cross multiply
    43,271.82x = 64,944.45 × 16,994.88
  4. Step 4: Simplify right side
    43,271.82x = 1,103,723,134.42
  5. Step 5: Solve for x
    x = 1,103,723,134.42/43,271.82
  6. Step 6: Final answer
    x = 25,506.74

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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.