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Finding the Fourth Proportional to 26,591.94, 39,866.38 and 9,949.58

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Solution

The fourth proportional to 26,591.94, 39,866.38 and 9,949.58 is: 14,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,591.94 : 39,866.38 = 9,949.58 : x
  2. Step 2: Convert to fraction form
    26,591.94/39,866.38 = 9,949.58/x
  3. Step 3: Cross multiply
    26,591.94x = 39,866.38 × 9,949.58
  4. Step 4: Simplify right side
    26,591.94x = 396,653,662.41
  5. Step 5: Solve for x
    x = 396,653,662.41/26,591.94
  6. Step 6: Final answer
    x = 14,916.31

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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.