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Finding the Fourth Proportional to 53,351.61, 80,048.93 and 23,749.20

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Solution

The fourth proportional to 53,351.61, 80,048.93 and 23,749.20 is: 35,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,351.61 : 80,048.93 = 23,749.20 : x
  2. Step 2: Convert to fraction form
    53,351.61/80,048.93 = 23,749.20/x
  3. Step 3: Cross multiply
    53,351.61x = 80,048.93 × 23,749.20
  4. Step 4: Simplify right side
    53,351.61x = 1,901,098,129.99
  5. Step 5: Solve for x
    x = 1,901,098,129.99/53,351.61
  6. Step 6: Final answer
    x = 35,633.38

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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.