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Finding the Fourth Proportional to 50,960.92, 76,430.98 and 19,359.92

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Solution

The fourth proportional to 50,960.92, 76,430.98 and 19,359.92 is: 29,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,960.92 : 76,430.98 = 19,359.92 : x
  2. Step 2: Convert to fraction form
    50,960.92/76,430.98 = 19,359.92/x
  3. Step 3: Cross multiply
    50,960.92x = 76,430.98 × 19,359.92
  4. Step 4: Simplify right side
    50,960.92x = 1,479,697,658.32
  5. Step 5: Solve for x
    x = 1,479,697,658.32/50,960.92
  6. Step 6: Final answer
    x = 29,035.93

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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.