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Finding the Fourth Proportional to 11,773.08, 17,576.87 and 8,985.06

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Solution

The fourth proportional to 11,773.08, 17,576.87 and 8,985.06 is: 13,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,773.08 : 17,576.87 = 8,985.06 : x
  2. Step 2: Convert to fraction form
    11,773.08/17,576.87 = 8,985.06/x
  3. Step 3: Cross multiply
    11,773.08x = 17,576.87 × 8,985.06
  4. Step 4: Simplify right side
    11,773.08x = 157,929,186.64
  5. Step 5: Solve for x
    x = 157,929,186.64/11,773.08
  6. Step 6: Final answer
    x = 13,414.43

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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.