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Finding the Fourth Proportional to 48,998.13, 73,404.47 and 28,947.67

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Solution

The fourth proportional to 48,998.13, 73,404.47 and 28,947.67 is: 43,366.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,998.13 : 73,404.47 = 28,947.67 : x
  2. Step 2: Convert to fraction form
    48,998.13/73,404.47 = 28,947.67/x
  3. Step 3: Cross multiply
    48,998.13x = 73,404.47 × 28,947.67
  4. Step 4: Simplify right side
    48,998.13x = 2,124,888,262.94
  5. Step 5: Solve for x
    x = 2,124,888,262.94/48,998.13
  6. Step 6: Final answer
    x = 43,366.72

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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.