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Finding the Fourth Proportional to 12,654.48, 17,463.96 and 7,065.48

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Solution

The fourth proportional to 12,654.48, 17,463.96 and 7,065.48 is: 9,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654.48 : 17,463.96 = 7,065.48 : x
  2. Step 2: Convert to fraction form
    12,654.48/17,463.96 = 7,065.48/x
  3. Step 3: Cross multiply
    12,654.48x = 17,463.96 × 7,065.48
  4. Step 4: Simplify right side
    12,654.48x = 123,391,260.10
  5. Step 5: Solve for x
    x = 123,391,260.10/12,654.48
  6. Step 6: Final answer
    x = 9,750.80

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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.