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Finding the Fourth Proportional to 51,120.67, 70,521.79 and 32,966.60

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Solution

The fourth proportional to 51,120.67, 70,521.79 and 32,966.60 is: 45,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,120.67 : 70,521.79 = 32,966.60 : x
  2. Step 2: Convert to fraction form
    51,120.67/70,521.79 = 32,966.60/x
  3. Step 3: Cross multiply
    51,120.67x = 70,521.79 × 32,966.60
  4. Step 4: Simplify right side
    51,120.67x = 2,324,863,269.00
  5. Step 5: Solve for x
    x = 2,324,863,269.00/51,120.67
  6. Step 6: Final answer
    x = 45,477.95

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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.