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Finding the Fourth Proportional to 11,592.64, 17,392.20 and 3,806.92

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Solution

The fourth proportional to 11,592.64, 17,392.20 and 3,806.92 is: 5,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,592.64 : 17,392.20 = 3,806.92 : x
  2. Step 2: Convert to fraction form
    11,592.64/17,392.20 = 3,806.92/x
  3. Step 3: Cross multiply
    11,592.64x = 17,392.20 × 3,806.92
  4. Step 4: Simplify right side
    11,592.64x = 66,210,714.02
  5. Step 5: Solve for x
    x = 66,210,714.02/11,592.64
  6. Step 6: Final answer
    x = 5,711.44

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1.5x scale

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.