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Finding the Fourth Proportional to 52,696.84, 78,669.62 and 50,851.12

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Solution

The fourth proportional to 52,696.84, 78,669.62 and 50,851.12 is: 75,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,696.84 : 78,669.62 = 50,851.12 : x
  2. Step 2: Convert to fraction form
    52,696.84/78,669.62 = 50,851.12/x
  3. Step 3: Cross multiply
    52,696.84x = 78,669.62 × 50,851.12
  4. Step 4: Simplify right side
    52,696.84x = 4,000,438,286.97
  5. Step 5: Solve for x
    x = 4,000,438,286.97/52,696.84
  6. Step 6: Final answer
    x = 75,914.20

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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.