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Finding the Fourth Proportional to 16,661.42, 24,999.04 and 7,296.60

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Solution

The fourth proportional to 16,661.42, 24,999.04 and 7,296.60 is: 10,947.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.42 : 24,999.04 = 7,296.60 : x
  2. Step 2: Convert to fraction form
    16,661.42/24,999.04 = 7,296.60/x
  3. Step 3: Cross multiply
    16,661.42x = 24,999.04 × 7,296.60
  4. Step 4: Simplify right side
    16,661.42x = 182,407,995.26
  5. Step 5: Solve for x
    x = 182,407,995.26/16,661.42
  6. Step 6: Final answer
    x = 10,947.93

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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.