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Finding the Fourth Proportional to 11,000.92, 16,501.23 and 2,681

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Solution

The fourth proportional to 11,000.92, 16,501.23 and 2,681 is: 4,021.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.92 : 16,501.23 = 2,681 : x
  2. Step 2: Convert to fraction form
    11,000.92/16,501.23 = 2,681/x
  3. Step 3: Cross multiply
    11,000.92x = 16,501.23 × 2,681
  4. Step 4: Simplify right side
    11,000.92x = 44,239,797.63
  5. Step 5: Solve for x
    x = 44,239,797.63/11,000.92
  6. Step 6: Final answer
    x = 4,021.46

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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.