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Finding the Fourth Proportional to 18,513.97, 25,549.17 and 10,016.06

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Solution

The fourth proportional to 18,513.97, 25,549.17 and 10,016.06 is: 13,822.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.97 : 25,549.17 = 10,016.06 : x
  2. Step 2: Convert to fraction form
    18,513.97/25,549.17 = 10,016.06/x
  3. Step 3: Cross multiply
    18,513.97x = 25,549.17 × 10,016.06
  4. Step 4: Simplify right side
    18,513.97x = 255,902,045.98
  5. Step 5: Solve for x
    x = 255,902,045.98/18,513.97
  6. Step 6: Final answer
    x = 13,822.11

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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.