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Finding the Fourth Proportional to 47,991.99, 71,994.06 and 16,408.11

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Solution

The fourth proportional to 47,991.99, 71,994.06 and 16,408.11 is: 24,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,991.99 : 71,994.06 = 16,408.11 : x
  2. Step 2: Convert to fraction form
    47,991.99/71,994.06 = 16,408.11/x
  3. Step 3: Cross multiply
    47,991.99x = 71,994.06 × 16,408.11
  4. Step 4: Simplify right side
    47,991.99x = 1,181,286,455.83
  5. Step 5: Solve for x
    x = 1,181,286,455.83/47,991.99
  6. Step 6: Final answer
    x = 24,614.24

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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.