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Finding the Fourth Proportional to 49,989.92, 74,998.92 and 14,930.96

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Solution

The fourth proportional to 49,989.92, 74,998.92 and 14,930.96 is: 22,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,989.92 : 74,998.92 = 14,930.96 : x
  2. Step 2: Convert to fraction form
    49,989.92/74,998.92 = 14,930.96/x
  3. Step 3: Cross multiply
    49,989.92x = 74,998.92 × 14,930.96
  4. Step 4: Simplify right side
    49,989.92x = 1,119,805,874.56
  5. Step 5: Solve for x
    x = 1,119,805,874.56/49,989.92
  6. Step 6: Final answer
    x = 22,400.63

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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.