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Finding the Fourth Proportional to 22,448.60, 33,684.27 and 14,957.28

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Solution

The fourth proportional to 22,448.60, 33,684.27 and 14,957.28 is: 22,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,448.60 : 33,684.27 = 14,957.28 : x
  2. Step 2: Convert to fraction form
    22,448.60/33,684.27 = 14,957.28/x
  3. Step 3: Cross multiply
    22,448.60x = 33,684.27 × 14,957.28
  4. Step 4: Simplify right side
    22,448.60x = 503,825,057.99
  5. Step 5: Solve for x
    x = 503,825,057.99/22,448.60
  6. Step 6: Final answer
    x = 22,443.50

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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.