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Finding the Fourth Proportional to 58,688.96, 80,986.56 and 33,537.92

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Solution

The fourth proportional to 58,688.96, 80,986.56 and 33,537.92 is: 46,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,688.96 : 80,986.56 = 33,537.92 : x
  2. Step 2: Convert to fraction form
    58,688.96/80,986.56 = 33,537.92/x
  3. Step 3: Cross multiply
    58,688.96x = 80,986.56 × 33,537.92
  4. Step 4: Simplify right side
    58,688.96x = 2,716,120,770.36
  5. Step 5: Solve for x
    x = 2,716,120,770.36/58,688.96
  6. Step 6: Final answer
    x = 46,279.93

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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.