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Finding the Fourth Proportional to 16,424.88, 24,632.11 and 5,328.98

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Solution

The fourth proportional to 16,424.88, 24,632.11 and 5,328.98 is: 7,991.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,424.88 : 24,632.11 = 5,328.98 : x
  2. Step 2: Convert to fraction form
    16,424.88/24,632.11 = 5,328.98/x
  3. Step 3: Cross multiply
    16,424.88x = 24,632.11 × 5,328.98
  4. Step 4: Simplify right side
    16,424.88x = 131,264,021.55
  5. Step 5: Solve for x
    x = 131,264,021.55/16,424.88
  6. Step 6: Final answer
    x = 7,991.78

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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.