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Finding the Fourth Proportional to 58,261.16, 80,401.50 and 32,766.86

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Solution

The fourth proportional to 58,261.16, 80,401.50 and 32,766.86 is: 45,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,261.16 : 80,401.50 = 32,766.86 : x
  2. Step 2: Convert to fraction form
    58,261.16/80,401.50 = 32,766.86/x
  3. Step 3: Cross multiply
    58,261.16x = 80,401.50 × 32,766.86
  4. Step 4: Simplify right side
    58,261.16x = 2,634,504,694.29
  5. Step 5: Solve for x
    x = 2,634,504,694.29/58,261.16
  6. Step 6: Final answer
    x = 45,218.89

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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.