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Finding the Fourth Proportional to 52,583.94, 78,880.87 and 40,750.97

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Solution

The fourth proportional to 52,583.94, 78,880.87 and 40,750.97 is: 61,130.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,583.94 : 78,880.87 = 40,750.97 : x
  2. Step 2: Convert to fraction form
    52,583.94/78,880.87 = 40,750.97/x
  3. Step 3: Cross multiply
    52,583.94x = 78,880.87 × 40,750.97
  4. Step 4: Simplify right side
    52,583.94x = 3,214,471,694.97
  5. Step 5: Solve for x
    x = 3,214,471,694.97/52,583.94
  6. Step 6: Final answer
    x = 61,130.29

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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.