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Finding the Fourth Proportional to 28,838, 39,760.39 and 24,064.81

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Solution

The fourth proportional to 28,838, 39,760.39 and 24,064.81 is: 33,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838 : 39,760.39 = 24,064.81 : x
  2. Step 2: Convert to fraction form
    28,838/39,760.39 = 24,064.81/x
  3. Step 3: Cross multiply
    28,838x = 39,760.39 × 24,064.81
  4. Step 4: Simplify right side
    28,838x = 956,826,230.88
  5. Step 5: Solve for x
    x = 956,826,230.88/28,838
  6. Step 6: Final answer
    x = 33,179.35

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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.