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Finding the Fourth Proportional to 26,903.94, 40,362.39 and 8,435.94

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Solution

The fourth proportional to 26,903.94, 40,362.39 and 8,435.94 is: 12,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,903.94 : 40,362.39 = 8,435.94 : x
  2. Step 2: Convert to fraction form
    26,903.94/40,362.39 = 8,435.94/x
  3. Step 3: Cross multiply
    26,903.94x = 40,362.39 × 8,435.94
  4. Step 4: Simplify right side
    26,903.94x = 340,494,700.30
  5. Step 5: Solve for x
    x = 340,494,700.30/26,903.94
  6. Step 6: Final answer
    x = 12,655.94

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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.