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Finding the Fourth Proportional to 16,615.68, 24,916.50 and 6,747.99

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Solution

The fourth proportional to 16,615.68, 24,916.50 and 6,747.99 is: 10,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.68 : 24,916.50 = 6,747.99 : x
  2. Step 2: Convert to fraction form
    16,615.68/24,916.50 = 6,747.99/x
  3. Step 3: Cross multiply
    16,615.68x = 24,916.50 × 6,747.99
  4. Step 4: Simplify right side
    16,615.68x = 168,136,292.84
  5. Step 5: Solve for x
    x = 168,136,292.84/16,615.68
  6. Step 6: Final answer
    x = 10,119.13

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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.