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Finding the Fourth Proportional to 7,551.75, 11,329.25 and 2,934.75

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Solution

The fourth proportional to 7,551.75, 11,329.25 and 2,934.75 is: 4,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.75 : 11,329.25 = 2,934.75 : x
  2. Step 2: Convert to fraction form
    7,551.75/11,329.25 = 2,934.75/x
  3. Step 3: Cross multiply
    7,551.75x = 11,329.25 × 2,934.75
  4. Step 4: Simplify right side
    7,551.75x = 33,248,501.76
  5. Step 5: Solve for x
    x = 33,248,501.76/7,551.75
  6. Step 6: Final answer
    x = 4,402.75

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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.