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Finding the Fourth Proportional to 26,361.63, 39,542.90 and 9,713.09

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Solution

The fourth proportional to 26,361.63, 39,542.90 and 9,713.09 is: 14,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,361.63 : 39,542.90 = 9,713.09 : x
  2. Step 2: Convert to fraction form
    26,361.63/39,542.90 = 9,713.09/x
  3. Step 3: Cross multiply
    26,361.63x = 39,542.90 × 9,713.09
  4. Step 4: Simplify right side
    26,361.63x = 384,083,746.56
  5. Step 5: Solve for x
    x = 384,083,746.56/26,361.63
  6. Step 6: Final answer
    x = 14,569.80

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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.