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Finding the Fourth Proportional to 49,896.52, 74,805.03 and 28,812.67

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Solution

The fourth proportional to 49,896.52, 74,805.03 and 28,812.67 is: 43,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,896.52 : 74,805.03 = 28,812.67 : x
  2. Step 2: Convert to fraction form
    49,896.52/74,805.03 = 28,812.67/x
  3. Step 3: Cross multiply
    49,896.52x = 74,805.03 × 28,812.67
  4. Step 4: Simplify right side
    49,896.52x = 2,155,332,643.73
  5. Step 5: Solve for x
    x = 2,155,332,643.73/49,896.52
  6. Step 6: Final answer
    x = 43,196.05

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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.