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Finding the Fourth Proportional to 7,332.75, 11,000.75 and 2,715.75

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Solution

The fourth proportional to 7,332.75, 11,000.75 and 2,715.75 is: 4,074.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.75 : 11,000.75 = 2,715.75 : x
  2. Step 2: Convert to fraction form
    7,332.75/11,000.75 = 2,715.75/x
  3. Step 3: Cross multiply
    7,332.75x = 11,000.75 × 2,715.75
  4. Step 4: Simplify right side
    7,332.75x = 29,875,273.23
  5. Step 5: Solve for x
    x = 29,875,273.23/7,332.75
  6. Step 6: Final answer
    x = 4,074.22

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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.