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Finding the Fourth Proportional to 15,951.71, 23,929.21 and 6,099.28

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Solution

The fourth proportional to 15,951.71, 23,929.21 and 6,099.28 is: 9,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.71 : 23,929.21 = 6,099.28 : x
  2. Step 2: Convert to fraction form
    15,951.71/23,929.21 = 6,099.28/x
  3. Step 3: Cross multiply
    15,951.71x = 23,929.21 × 6,099.28
  4. Step 4: Simplify right side
    15,951.71x = 145,950,906.81
  5. Step 5: Solve for x
    x = 145,950,906.81/15,951.71
  6. Step 6: Final answer
    x = 9,149.54

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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.