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Finding the Fourth Proportional to 11,605.77, 17,393.54 and 4,676.49

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Solution

The fourth proportional to 11,605.77, 17,393.54 and 4,676.49 is: 7,008.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.77 : 17,393.54 = 4,676.49 : x
  2. Step 2: Convert to fraction form
    11,605.77/17,393.54 = 4,676.49/x
  3. Step 3: Cross multiply
    11,605.77x = 17,393.54 × 4,676.49
  4. Step 4: Simplify right side
    11,605.77x = 81,340,692.49
  5. Step 5: Solve for x
    x = 81,340,692.49/11,605.77
  6. Step 6: Final answer
    x = 7,008.64

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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.