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Finding the Fourth Proportional to 5,751.72, 7,934.26 and 4,751.08

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Solution

The fourth proportional to 5,751.72, 7,934.26 and 4,751.08 is: 6,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.72 : 7,934.26 = 4,751.08 : x
  2. Step 2: Convert to fraction form
    5,751.72/7,934.26 = 4,751.08/x
  3. Step 3: Cross multiply
    5,751.72x = 7,934.26 × 4,751.08
  4. Step 4: Simplify right side
    5,751.72x = 37,696,304.00
  5. Step 5: Solve for x
    x = 37,696,304.00/5,751.72
  6. Step 6: Final answer
    x = 6,553.92

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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.