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Finding the Fourth Proportional to 14,951.63, 22,441.28 and 7,561.28

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Solution

The fourth proportional to 14,951.63, 22,441.28 and 7,561.28 is: 11,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.63 : 22,441.28 = 7,561.28 : x
  2. Step 2: Convert to fraction form
    14,951.63/22,441.28 = 7,561.28/x
  3. Step 3: Cross multiply
    14,951.63x = 22,441.28 × 7,561.28
  4. Step 4: Simplify right side
    14,951.63x = 169,684,651.63
  5. Step 5: Solve for x
    x = 169,684,651.63/14,951.63
  6. Step 6: Final answer
    x = 11,348.91

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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.