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Finding the Fourth Proportional to 23,100.89, 34,655.61 and 7,309.89

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Solution

The fourth proportional to 23,100.89, 34,655.61 and 7,309.89 is: 10,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,100.89 : 34,655.61 = 7,309.89 : x
  2. Step 2: Convert to fraction form
    23,100.89/34,655.61 = 7,309.89/x
  3. Step 3: Cross multiply
    23,100.89x = 34,655.61 × 7,309.89
  4. Step 4: Simplify right side
    23,100.89x = 253,328,696.98
  5. Step 5: Solve for x
    x = 253,328,696.98/23,100.89
  6. Step 6: Final answer
    x = 10,966.19

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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.