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Finding the Fourth Proportional to 43,651.95, 65,502.78 and 16,994.46

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Solution

The fourth proportional to 43,651.95, 65,502.78 and 16,994.46 is: 25,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,651.95 : 65,502.78 = 16,994.46 : x
  2. Step 2: Convert to fraction form
    43,651.95/65,502.78 = 16,994.46/x
  3. Step 3: Cross multiply
    43,651.95x = 65,502.78 × 16,994.46
  4. Step 4: Simplify right side
    43,651.95x = 1,113,184,530.58
  5. Step 5: Solve for x
    x = 1,113,184,530.58/43,651.95
  6. Step 6: Final answer
    x = 25,501.37

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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.