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Finding the Fourth Proportional to 18,352.10, 27,519.22 and 8,981.14

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Solution

The fourth proportional to 18,352.10, 27,519.22 and 8,981.14 is: 13,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352.10 : 27,519.22 = 8,981.14 : x
  2. Step 2: Convert to fraction form
    18,352.10/27,519.22 = 8,981.14/x
  3. Step 3: Cross multiply
    18,352.10x = 27,519.22 × 8,981.14
  4. Step 4: Simplify right side
    18,352.10x = 247,153,967.51
  5. Step 5: Solve for x
    x = 247,153,967.51/18,352.10
  6. Step 6: Final answer
    x = 13,467.34

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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.