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Finding the Fourth Proportional to 26,006.25, 38,999.81 and 9,361.82

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Solution

The fourth proportional to 26,006.25, 38,999.81 and 9,361.82 is: 14,039.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,006.25 : 38,999.81 = 9,361.82 : x
  2. Step 2: Convert to fraction form
    26,006.25/38,999.81 = 9,361.82/x
  3. Step 3: Cross multiply
    26,006.25x = 38,999.81 × 9,361.82
  4. Step 4: Simplify right side
    26,006.25x = 365,108,959.45
  5. Step 5: Solve for x
    x = 365,108,959.45/26,006.25
  6. Step 6: Final answer
    x = 14,039.28

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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.