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Finding the Fourth Proportional to 11,493.10, 17,239.65 and 8,577.10

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Solution

The fourth proportional to 11,493.10, 17,239.65 and 8,577.10 is: 12,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,493.10 : 17,239.65 = 8,577.10 : x
  2. Step 2: Convert to fraction form
    11,493.10/17,239.65 = 8,577.10/x
  3. Step 3: Cross multiply
    11,493.10x = 17,239.65 × 8,577.10
  4. Step 4: Simplify right side
    11,493.10x = 147,866,202.02
  5. Step 5: Solve for x
    x = 147,866,202.02/11,493.10
  6. Step 6: Final answer
    x = 12,865.65

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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.