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Finding the Fourth Proportional to 21,960.86, 32,949.02 and 14,594.54

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Solution

The fourth proportional to 21,960.86, 32,949.02 and 14,594.54 is: 21,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960.86 : 32,949.02 = 14,594.54 : x
  2. Step 2: Convert to fraction form
    21,960.86/32,949.02 = 14,594.54/x
  3. Step 3: Cross multiply
    21,960.86x = 32,949.02 × 14,594.54
  4. Step 4: Simplify right side
    21,960.86x = 480,875,662.09
  5. Step 5: Solve for x
    x = 480,875,662.09/21,960.86
  6. Step 6: Final answer
    x = 21,896.95

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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.