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Finding the Fourth Proportional to 26,588.25, 39,865.77 and 9,939.51

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Solution

The fourth proportional to 26,588.25, 39,865.77 and 9,939.51 is: 14,903.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,588.25 : 39,865.77 = 9,939.51 : x
  2. Step 2: Convert to fraction form
    26,588.25/39,865.77 = 9,939.51/x
  3. Step 3: Cross multiply
    26,588.25x = 39,865.77 × 9,939.51
  4. Step 4: Simplify right side
    26,588.25x = 396,246,219.57
  5. Step 5: Solve for x
    x = 396,246,219.57/26,588.25
  6. Step 6: Final answer
    x = 14,903.06

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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.