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Finding the Fourth Proportional to 28,896, 43,324.08 and 11,367.84

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Solution

The fourth proportional to 28,896, 43,324.08 and 11,367.84 is: 17,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896 : 43,324.08 = 11,367.84 : x
  2. Step 2: Convert to fraction form
    28,896/43,324.08 = 11,367.84/x
  3. Step 3: Cross multiply
    28,896x = 43,324.08 × 11,367.84
  4. Step 4: Simplify right side
    28,896x = 492,501,209.59
  5. Step 5: Solve for x
    x = 492,501,209.59/28,896
  6. Step 6: Final answer
    x = 17,043.92

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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.