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Finding the Fourth Proportional to 51,089.53, 76,566.81 and 39,197.82

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Solution

The fourth proportional to 51,089.53, 76,566.81 and 39,197.82 is: 58,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,089.53 : 76,566.81 = 39,197.82 : x
  2. Step 2: Convert to fraction form
    51,089.53/76,566.81 = 39,197.82/x
  3. Step 3: Cross multiply
    51,089.53x = 76,566.81 × 39,197.82
  4. Step 4: Simplify right side
    51,089.53x = 3,001,252,036.35
  5. Step 5: Solve for x
    x = 3,001,252,036.35/51,089.53
  6. Step 6: Final answer
    x = 58,744.95

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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.