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Finding the Fourth Proportional to 26,935.93, 40,406.51 and 9,179.11

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Solution

The fourth proportional to 26,935.93, 40,406.51 and 9,179.11 is: 13,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,935.93 : 40,406.51 = 9,179.11 : x
  2. Step 2: Convert to fraction form
    26,935.93/40,406.51 = 9,179.11/x
  3. Step 3: Cross multiply
    26,935.93x = 40,406.51 × 9,179.11
  4. Step 4: Simplify right side
    26,935.93x = 370,895,800.01
  5. Step 5: Solve for x
    x = 370,895,800.01/26,935.93
  6. Step 6: Final answer
    x = 13,769.56

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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.