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Finding the Fourth Proportional to 16,440.68, 24,661.20 and 4,754

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Solution

The fourth proportional to 16,440.68, 24,661.20 and 4,754 is: 7,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,440.68 : 24,661.20 = 4,754 : x
  2. Step 2: Convert to fraction form
    16,440.68/24,661.20 = 4,754/x
  3. Step 3: Cross multiply
    16,440.68x = 24,661.20 × 4,754
  4. Step 4: Simplify right side
    16,440.68x = 117,239,344.80
  5. Step 5: Solve for x
    x = 117,239,344.80/16,440.68
  6. Step 6: Final answer
    x = 7,131.05

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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.