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Finding the Fourth Proportional to 7,130.94, 10,696.11 and 4,791.94

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Solution

The fourth proportional to 7,130.94, 10,696.11 and 4,791.94 is: 7,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.94 : 10,696.11 = 4,791.94 : x
  2. Step 2: Convert to fraction form
    7,130.94/10,696.11 = 4,791.94/x
  3. Step 3: Cross multiply
    7,130.94x = 10,696.11 × 4,791.94
  4. Step 4: Simplify right side
    7,130.94x = 51,255,117.35
  5. Step 5: Solve for x
    x = 51,255,117.35/7,130.94
  6. Step 6: Final answer
    x = 7,187.71

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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.