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Finding the Fourth Proportional to 12,001.50, 16,562.04 and 6,696

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Solution

The fourth proportional to 12,001.50, 16,562.04 and 6,696 is: 9,240.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.50 : 16,562.04 = 6,696 : x
  2. Step 2: Convert to fraction form
    12,001.50/16,562.04 = 6,696/x
  3. Step 3: Cross multiply
    12,001.50x = 16,562.04 × 6,696
  4. Step 4: Simplify right side
    12,001.50x = 110,899,419.84
  5. Step 5: Solve for x
    x = 110,899,419.84/12,001.50
  6. Step 6: Final answer
    x = 9,240.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.