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Finding the Fourth Proportional to 11,798.16, 17,692.92 and 3,899.22

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Solution

The fourth proportional to 11,798.16, 17,692.92 and 3,899.22 is: 5,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,798.16 : 17,692.92 = 3,899.22 : x
  2. Step 2: Convert to fraction form
    11,798.16/17,692.92 = 3,899.22/x
  3. Step 3: Cross multiply
    11,798.16x = 17,692.92 × 3,899.22
  4. Step 4: Simplify right side
    11,798.16x = 68,988,587.52
  5. Step 5: Solve for x
    x = 68,988,587.52/11,798.16
  6. Step 6: Final answer
    x = 5,847.40

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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.