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Finding the Fourth Proportional to 48,992.63, 73,430.63 and 34,121.03

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Solution

The fourth proportional to 48,992.63, 73,430.63 and 34,121.03 is: 51,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,992.63 : 73,430.63 = 34,121.03 : x
  2. Step 2: Convert to fraction form
    48,992.63/73,430.63 = 34,121.03/x
  3. Step 3: Cross multiply
    48,992.63x = 73,430.63 × 34,121.03
  4. Step 4: Simplify right side
    48,992.63x = 2,505,528,558.54
  5. Step 5: Solve for x
    x = 2,505,528,558.54/48,992.63
  6. Step 6: Final answer
    x = 51,140.93

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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.