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Finding the Fourth Proportional to 13,016.73, 17,963.04 and 7,048.43

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Solution

The fourth proportional to 13,016.73, 17,963.04 and 7,048.43 is: 9,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.73 : 17,963.04 = 7,048.43 : x
  2. Step 2: Convert to fraction form
    13,016.73/17,963.04 = 7,048.43/x
  3. Step 3: Cross multiply
    13,016.73x = 17,963.04 × 7,048.43
  4. Step 4: Simplify right side
    13,016.73x = 126,611,140.21
  5. Step 5: Solve for x
    x = 126,611,140.21/13,016.73
  6. Step 6: Final answer
    x = 9,726.80

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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.