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Finding the Fourth Proportional to 26,445.87, 39,664.49 and 9,801.99

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Solution

The fourth proportional to 26,445.87, 39,664.49 and 9,801.99 is: 14,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,445.87 : 39,664.49 = 9,801.99 : x
  2. Step 2: Convert to fraction form
    26,445.87/39,664.49 = 9,801.99/x
  3. Step 3: Cross multiply
    26,445.87x = 39,664.49 × 9,801.99
  4. Step 4: Simplify right side
    26,445.87x = 388,790,885.33
  5. Step 5: Solve for x
    x = 388,790,885.33/26,445.87
  6. Step 6: Final answer
    x = 14,701.38

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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.