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Finding the Fourth Proportional to 58,756.44, 87,939.68 and 53,503.54

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Solution

The fourth proportional to 58,756.44, 87,939.68 and 53,503.54 is: 80,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,756.44 : 87,939.68 = 53,503.54 : x
  2. Step 2: Convert to fraction form
    58,756.44/87,939.68 = 53,503.54/x
  3. Step 3: Cross multiply
    58,756.44x = 87,939.68 × 53,503.54
  4. Step 4: Simplify right side
    58,756.44x = 4,705,083,699.10
  5. Step 5: Solve for x
    x = 4,705,083,699.10/58,756.44
  6. Step 6: Final answer
    x = 80,077.76

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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.