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Finding the Fourth Proportional to 48,798.99, 73,138.50 and 27,756.54

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Solution

The fourth proportional to 48,798.99, 73,138.50 and 27,756.54 is: 41,600.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,798.99 : 73,138.50 = 27,756.54 : x
  2. Step 2: Convert to fraction form
    48,798.99/73,138.50 = 27,756.54/x
  3. Step 3: Cross multiply
    48,798.99x = 73,138.50 × 27,756.54
  4. Step 4: Simplify right side
    48,798.99x = 2,030,071,700.79
  5. Step 5: Solve for x
    x = 2,030,071,700.79/48,798.99
  6. Step 6: Final answer
    x = 41,600.69

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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.