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Finding the Fourth Proportional to 26,893.68, 40,312.98 and 9,353.94

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Solution

The fourth proportional to 26,893.68, 40,312.98 and 9,353.94 is: 14,021.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,893.68 : 40,312.98 = 9,353.94 : x
  2. Step 2: Convert to fraction form
    26,893.68/40,312.98 = 9,353.94/x
  3. Step 3: Cross multiply
    26,893.68x = 40,312.98 × 9,353.94
  4. Step 4: Simplify right side
    26,893.68x = 377,085,196.14
  5. Step 5: Solve for x
    x = 377,085,196.14/26,893.68
  6. Step 6: Final answer
    x = 14,021.33

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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.