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Finding the Fourth Proportional to 13,052.38, 18,012.30 and 7,463.38

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Solution

The fourth proportional to 13,052.38, 18,012.30 and 7,463.38 is: 10,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.38 : 18,012.30 = 7,463.38 : x
  2. Step 2: Convert to fraction form
    13,052.38/18,012.30 = 7,463.38/x
  3. Step 3: Cross multiply
    13,052.38x = 18,012.30 × 7,463.38
  4. Step 4: Simplify right side
    13,052.38x = 134,432,549.51
  5. Step 5: Solve for x
    x = 134,432,549.51/13,052.38
  6. Step 6: Final answer
    x = 10,299.47

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1.5x scale

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.