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Finding the Fourth Proportional to 30,692.94, 45,815.34 and 26,338.38

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Solution

The fourth proportional to 30,692.94, 45,815.34 and 26,338.38 is: 39,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,692.94 : 45,815.34 = 26,338.38 : x
  2. Step 2: Convert to fraction form
    30,692.94/45,815.34 = 26,338.38/x
  3. Step 3: Cross multiply
    30,692.94x = 45,815.34 × 26,338.38
  4. Step 4: Simplify right side
    30,692.94x = 1,206,701,834.75
  5. Step 5: Solve for x
    x = 1,206,701,834.75/30,692.94
  6. Step 6: Final answer
    x = 39,315.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.