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Finding the Fourth Proportional to 26,461.75, 39,692.63 and 11,869.75

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Solution

The fourth proportional to 26,461.75, 39,692.63 and 11,869.75 is: 17,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,461.75 : 39,692.63 = 11,869.75 : x
  2. Step 2: Convert to fraction form
    26,461.75/39,692.63 = 11,869.75/x
  3. Step 3: Cross multiply
    26,461.75x = 39,692.63 × 11,869.75
  4. Step 4: Simplify right side
    26,461.75x = 471,141,594.94
  5. Step 5: Solve for x
    x = 471,141,594.94/26,461.75
  6. Step 6: Final answer
    x = 17,804.63

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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.