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Finding the Fourth Proportional to 12,754.30, 17,601.91 and 7,089.51

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Solution

The fourth proportional to 12,754.30, 17,601.91 and 7,089.51 is: 9,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.30 : 17,601.91 = 7,089.51 : x
  2. Step 2: Convert to fraction form
    12,754.30/17,601.91 = 7,089.51/x
  3. Step 3: Cross multiply
    12,754.30x = 17,601.91 × 7,089.51
  4. Step 4: Simplify right side
    12,754.30x = 124,788,916.96
  5. Step 5: Solve for x
    x = 124,788,916.96/12,754.30
  6. Step 6: Final answer
    x = 9,784.07

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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.