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Finding the Fourth Proportional to 12,527.82, 17,288.37 and 6,938.82

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Solution

The fourth proportional to 12,527.82, 17,288.37 and 6,938.82 is: 9,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.82 : 17,288.37 = 6,938.82 : x
  2. Step 2: Convert to fraction form
    12,527.82/17,288.37 = 6,938.82/x
  3. Step 3: Cross multiply
    12,527.82x = 17,288.37 × 6,938.82
  4. Step 4: Simplify right side
    12,527.82x = 119,960,887.52
  5. Step 5: Solve for x
    x = 119,960,887.52/12,527.82
  6. Step 6: Final answer
    x = 9,575.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.