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Finding the Fourth Proportional to 17,546, 26,331.96 and 8,312

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Solution

The fourth proportional to 17,546, 26,331.96 and 8,312 is: 12,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,546 : 26,331.96 = 8,312 : x
  2. Step 2: Convert to fraction form
    17,546/26,331.96 = 8,312/x
  3. Step 3: Cross multiply
    17,546x = 26,331.96 × 8,312
  4. Step 4: Simplify right side
    17,546x = 218,871,251.52
  5. Step 5: Solve for x
    x = 218,871,251.52/17,546
  6. Step 6: Final answer
    x = 12,474.14

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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.