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Finding the Fourth Proportional to 50,929.76, 76,407.86 and 19,340.37

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Solution

The fourth proportional to 50,929.76, 76,407.86 and 19,340.37 is: 29,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,929.76 : 76,407.86 = 19,340.37 : x
  2. Step 2: Convert to fraction form
    50,929.76/76,407.86 = 19,340.37/x
  3. Step 3: Cross multiply
    50,929.76x = 76,407.86 × 19,340.37
  4. Step 4: Simplify right side
    50,929.76x = 1,477,756,222.87
  5. Step 5: Solve for x
    x = 1,477,756,222.87/50,929.76
  6. Step 6: Final answer
    x = 29,015.57

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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.