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Finding the Fourth Proportional to 26,012.40, 39,029.40 and 16,662.96

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Solution

The fourth proportional to 26,012.40, 39,029.40 and 16,662.96 is: 25,001.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,012.40 : 39,029.40 = 16,662.96 : x
  2. Step 2: Convert to fraction form
    26,012.40/39,029.40 = 16,662.96/x
  3. Step 3: Cross multiply
    26,012.40x = 39,029.40 × 16,662.96
  4. Step 4: Simplify right side
    26,012.40x = 650,345,331.02
  5. Step 5: Solve for x
    x = 650,345,331.02/26,012.40
  6. Step 6: Final answer
    x = 25,001.36

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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.