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Finding the Fourth Proportional to 13,052.89, 18,012.99 and 7,463.89

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Solution

The fourth proportional to 13,052.89, 18,012.99 and 7,463.89 is: 10,300.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.89 : 18,012.99 = 7,463.89 : x
  2. Step 2: Convert to fraction form
    13,052.89/18,012.99 = 7,463.89/x
  3. Step 3: Cross multiply
    13,052.89x = 18,012.99 × 7,463.89
  4. Step 4: Simplify right side
    13,052.89x = 134,446,975.93
  5. Step 5: Solve for x
    x = 134,446,975.93/13,052.89
  6. Step 6: Final answer
    x = 10,300.17

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Why These Related Problems?

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