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Finding the Fourth Proportional to 58,519.72, 80,751.36 and 33,023.80

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Solution

The fourth proportional to 58,519.72, 80,751.36 and 33,023.80 is: 45,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,519.72 : 80,751.36 = 33,023.80 : x
  2. Step 2: Convert to fraction form
    58,519.72/80,751.36 = 33,023.80/x
  3. Step 3: Cross multiply
    58,519.72x = 80,751.36 × 33,023.80
  4. Step 4: Simplify right side
    58,519.72x = 2,666,716,762.37
  5. Step 5: Solve for x
    x = 2,666,716,762.37/58,519.72
  6. Step 6: Final answer
    x = 45,569.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.