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Finding the Fourth Proportional to 18,162.82, 27,237.12 and 7,068.04

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Solution

The fourth proportional to 18,162.82, 27,237.12 and 7,068.04 is: 10,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.82 : 27,237.12 = 7,068.04 : x
  2. Step 2: Convert to fraction form
    18,162.82/27,237.12 = 7,068.04/x
  3. Step 3: Cross multiply
    18,162.82x = 27,237.12 × 7,068.04
  4. Step 4: Simplify right side
    18,162.82x = 192,513,053.64
  5. Step 5: Solve for x
    x = 192,513,053.64/18,162.82
  6. Step 6: Final answer
    x = 10,599.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.