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Finding the Fourth Proportional to 18,261.68, 27,392.52 and 7,325.36

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Solution

The fourth proportional to 18,261.68, 27,392.52 and 7,325.36 is: 10,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.68 : 27,392.52 = 7,325.36 : x
  2. Step 2: Convert to fraction form
    18,261.68/27,392.52 = 7,325.36/x
  3. Step 3: Cross multiply
    18,261.68x = 27,392.52 × 7,325.36
  4. Step 4: Simplify right side
    18,261.68x = 200,660,070.31
  5. Step 5: Solve for x
    x = 200,660,070.31/18,261.68
  6. Step 6: Final answer
    x = 10,988.04

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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.