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Finding the Fourth Proportional to 12,558.37, 17,330.77 and 6,893.65

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Solution

The fourth proportional to 12,558.37, 17,330.77 and 6,893.65 is: 9,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.37 : 17,330.77 = 6,893.65 : x
  2. Step 2: Convert to fraction form
    12,558.37/17,330.77 = 6,893.65/x
  3. Step 3: Cross multiply
    12,558.37x = 17,330.77 × 6,893.65
  4. Step 4: Simplify right side
    12,558.37x = 119,472,262.61
  5. Step 5: Solve for x
    x = 119,472,262.61/12,558.37
  6. Step 6: Final answer
    x = 9,513.36

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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.