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Finding the Fourth Proportional to 18,239.60, 27,348.44 and 7,133.04

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Solution

The fourth proportional to 18,239.60, 27,348.44 and 7,133.04 is: 10,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.60 : 27,348.44 = 7,133.04 : x
  2. Step 2: Convert to fraction form
    18,239.60/27,348.44 = 7,133.04/x
  3. Step 3: Cross multiply
    18,239.60x = 27,348.44 × 7,133.04
  4. Step 4: Simplify right side
    18,239.60x = 195,077,516.46
  5. Step 5: Solve for x
    x = 195,077,516.46/18,239.60
  6. Step 6: Final answer
    x = 10,695.27

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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.