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Finding the Fourth Proportional to 72,406.84, 108,627.26 and 22,484.36

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Solution

The fourth proportional to 72,406.84, 108,627.26 and 22,484.36 is: 33,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,406.84 : 108,627.26 = 22,484.36 : x
  2. Step 2: Convert to fraction form
    72,406.84/108,627.26 = 22,484.36/x
  3. Step 3: Cross multiply
    72,406.84x = 108,627.26 × 22,484.36
  4. Step 4: Simplify right side
    72,406.84x = 2,442,414,419.65
  5. Step 5: Solve for x
    x = 2,442,414,419.65/72,406.84
  6. Step 6: Final answer
    x = 33,731.82

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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.