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Finding the Fourth Proportional to 51,968.52, 77,545.11 and 48,794.94

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Solution

The fourth proportional to 51,968.52, 77,545.11 and 48,794.94 is: 72,809.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,968.52 : 77,545.11 = 48,794.94 : x
  2. Step 2: Convert to fraction form
    51,968.52/77,545.11 = 48,794.94/x
  3. Step 3: Cross multiply
    51,968.52x = 77,545.11 × 48,794.94
  4. Step 4: Simplify right side
    51,968.52x = 3,783,809,172.72
  5. Step 5: Solve for x
    x = 3,783,809,172.72/51,968.52
  6. Step 6: Final answer
    x = 72,809.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.