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Finding the Fourth Proportional to 39,874.86, 59,813.08 and 11,794.90

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Solution

The fourth proportional to 39,874.86, 59,813.08 and 11,794.90 is: 17,692.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,874.86 : 59,813.08 = 11,794.90 : x
  2. Step 2: Convert to fraction form
    39,874.86/59,813.08 = 11,794.90/x
  3. Step 3: Cross multiply
    39,874.86x = 59,813.08 × 11,794.90
  4. Step 4: Simplify right side
    39,874.86x = 705,489,297.29
  5. Step 5: Solve for x
    x = 705,489,297.29/39,874.86
  6. Step 6: Final answer
    x = 17,692.58

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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.