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Finding the Fourth Proportional to 18,467.70, 27,701.55 and 17,042.10

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Solution

The fourth proportional to 18,467.70, 27,701.55 and 17,042.10 is: 25,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.70 : 27,701.55 = 17,042.10 : x
  2. Step 2: Convert to fraction form
    18,467.70/27,701.55 = 17,042.10/x
  3. Step 3: Cross multiply
    18,467.70x = 27,701.55 × 17,042.10
  4. Step 4: Simplify right side
    18,467.70x = 472,092,585.26
  5. Step 5: Solve for x
    x = 472,092,585.26/18,467.70
  6. Step 6: Final answer
    x = 25,563.15

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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.