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Finding the Fourth Proportional to 18,017.30, 27,026.04 and 8,145.02

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Solution

The fourth proportional to 18,017.30, 27,026.04 and 8,145.02 is: 12,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.30 : 27,026.04 = 8,145.02 : x
  2. Step 2: Convert to fraction form
    18,017.30/27,026.04 = 8,145.02/x
  3. Step 3: Cross multiply
    18,017.30x = 27,026.04 × 8,145.02
  4. Step 4: Simplify right side
    18,017.30x = 220,127,636.32
  5. Step 5: Solve for x
    x = 220,127,636.32/18,017.30
  6. Step 6: Final answer
    x = 12,217.57

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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.