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Finding the Fourth Proportional to 12,588.91, 17,372.52 and 7,283.62

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Solution

The fourth proportional to 12,588.91, 17,372.52 and 7,283.62 is: 10,051.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.91 : 17,372.52 = 7,283.62 : x
  2. Step 2: Convert to fraction form
    12,588.91/17,372.52 = 7,283.62/x
  3. Step 3: Cross multiply
    12,588.91x = 17,372.52 × 7,283.62
  4. Step 4: Simplify right side
    12,588.91x = 126,534,834.12
  5. Step 5: Solve for x
    x = 126,534,834.12/12,588.91
  6. Step 6: Final answer
    x = 10,051.29

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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.