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Finding the Fourth Proportional to 17,750.34, 26,611.47 and 8,861.10

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Solution

The fourth proportional to 17,750.34, 26,611.47 and 8,861.10 is: 13,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,750.34 : 26,611.47 = 8,861.10 : x
  2. Step 2: Convert to fraction form
    17,750.34/26,611.47 = 8,861.10/x
  3. Step 3: Cross multiply
    17,750.34x = 26,611.47 × 8,861.10
  4. Step 4: Simplify right side
    17,750.34x = 235,806,896.82
  5. Step 5: Solve for x
    x = 235,806,896.82/17,750.34
  6. Step 6: Final answer
    x = 13,284.64

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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.