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Finding the Fourth Proportional to 18,016.20, 27,024.30 and 17,411.40

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Solution

The fourth proportional to 18,016.20, 27,024.30 and 17,411.40 is: 26,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.20 : 27,024.30 = 17,411.40 : x
  2. Step 2: Convert to fraction form
    18,016.20/27,024.30 = 17,411.40/x
  3. Step 3: Cross multiply
    18,016.20x = 27,024.30 × 17,411.40
  4. Step 4: Simplify right side
    18,016.20x = 470,530,897.02
  5. Step 5: Solve for x
    x = 470,530,897.02/18,016.20
  6. Step 6: Final answer
    x = 26,117.10

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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.