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Finding the Fourth Proportional to 18,274.64, 27,409.68 and 5,795.96

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Solution

The fourth proportional to 18,274.64, 27,409.68 and 5,795.96 is: 8,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.64 : 27,409.68 = 5,795.96 : x
  2. Step 2: Convert to fraction form
    18,274.64/27,409.68 = 5,795.96/x
  3. Step 3: Cross multiply
    18,274.64x = 27,409.68 × 5,795.96
  4. Step 4: Simplify right side
    18,274.64x = 158,865,271.84
  5. Step 5: Solve for x
    x = 158,865,271.84/18,274.64
  6. Step 6: Final answer
    x = 8,693.21

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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.