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Finding the Fourth Proportional to 7,515.73, 11,263.73 and 5,532.07

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Solution

The fourth proportional to 7,515.73, 11,263.73 and 5,532.07 is: 8,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.73 : 11,263.73 = 5,532.07 : x
  2. Step 2: Convert to fraction form
    7,515.73/11,263.73 = 5,532.07/x
  3. Step 3: Cross multiply
    7,515.73x = 11,263.73 × 5,532.07
  4. Step 4: Simplify right side
    7,515.73x = 62,311,742.82
  5. Step 5: Solve for x
    x = 62,311,742.82/7,515.73
  6. Step 6: Final answer
    x = 8,290.84

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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.