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Finding the Fourth Proportional to 17,998.92, 26,962.56 and 10,970.28

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Solution

The fourth proportional to 17,998.92, 26,962.56 and 10,970.28 is: 16,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.92 : 26,962.56 = 10,970.28 : x
  2. Step 2: Convert to fraction form
    17,998.92/26,962.56 = 10,970.28/x
  3. Step 3: Cross multiply
    17,998.92x = 26,962.56 × 10,970.28
  4. Step 4: Simplify right side
    17,998.92x = 295,786,832.72
  5. Step 5: Solve for x
    x = 295,786,832.72/17,998.92
  6. Step 6: Final answer
    x = 16,433.59

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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.