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Finding the Fourth Proportional to 26,999.58, 40,513.04 and 18,216.05

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Solution

The fourth proportional to 26,999.58, 40,513.04 and 18,216.05 is: 27,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.58 : 40,513.04 = 18,216.05 : x
  2. Step 2: Convert to fraction form
    26,999.58/40,513.04 = 18,216.05/x
  3. Step 3: Cross multiply
    26,999.58x = 40,513.04 × 18,216.05
  4. Step 4: Simplify right side
    26,999.58x = 737,987,562.29
  5. Step 5: Solve for x
    x = 737,987,562.29/26,999.58
  6. Step 6: Final answer
    x = 27,333.30

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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.