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Finding the Fourth Proportional to 26,674.11, 39,983.09 and 8,900.01

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Solution

The fourth proportional to 26,674.11, 39,983.09 and 8,900.01 is: 13,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,674.11 : 39,983.09 = 8,900.01 : x
  2. Step 2: Convert to fraction form
    26,674.11/39,983.09 = 8,900.01/x
  3. Step 3: Cross multiply
    26,674.11x = 39,983.09 × 8,900.01
  4. Step 4: Simplify right side
    26,674.11x = 355,849,856.33
  5. Step 5: Solve for x
    x = 355,849,856.33/26,674.11
  6. Step 6: Final answer
    x = 13,340.65

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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.