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Finding the Fourth Proportional to 18,015.92, 27,005.40 and 7,492.04

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Solution

The fourth proportional to 18,015.92, 27,005.40 and 7,492.04 is: 11,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.92 : 27,005.40 = 7,492.04 : x
  2. Step 2: Convert to fraction form
    18,015.92/27,005.40 = 7,492.04/x
  3. Step 3: Cross multiply
    18,015.92x = 27,005.40 × 7,492.04
  4. Step 4: Simplify right side
    18,015.92x = 202,325,537.02
  5. Step 5: Solve for x
    x = 202,325,537.02/18,015.92
  6. Step 6: Final answer
    x = 11,230.37

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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.