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Finding the Fourth Proportional to 59,986.92, 90,035.73 and 30,425.51

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Solution

The fourth proportional to 59,986.92, 90,035.73 and 30,425.51 is: 45,666.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,986.92 : 90,035.73 = 30,425.51 : x
  2. Step 2: Convert to fraction form
    59,986.92/90,035.73 = 30,425.51/x
  3. Step 3: Cross multiply
    59,986.92x = 90,035.73 × 30,425.51
  4. Step 4: Simplify right side
    59,986.92x = 2,739,383,228.56
  5. Step 5: Solve for x
    x = 2,739,383,228.56/59,986.92
  6. Step 6: Final answer
    x = 45,666.34

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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.