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Finding the Fourth Proportional to 15,951.31, 23,922.09 and 5,560.63

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Solution

The fourth proportional to 15,951.31, 23,922.09 and 5,560.63 is: 8,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.31 : 23,922.09 = 5,560.63 : x
  2. Step 2: Convert to fraction form
    15,951.31/23,922.09 = 5,560.63/x
  3. Step 3: Cross multiply
    15,951.31x = 23,922.09 × 5,560.63
  4. Step 4: Simplify right side
    15,951.31x = 133,021,771.71
  5. Step 5: Solve for x
    x = 133,021,771.71/15,951.31
  6. Step 6: Final answer
    x = 8,339.24

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1.5x scale

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.