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Finding the Fourth Proportional to 18,082.64, 27,128.17 and 5,602.01

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Solution

The fourth proportional to 18,082.64, 27,128.17 and 5,602.01 is: 8,404.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082.64 : 27,128.17 = 5,602.01 : x
  2. Step 2: Convert to fraction form
    18,082.64/27,128.17 = 5,602.01/x
  3. Step 3: Cross multiply
    18,082.64x = 27,128.17 × 5,602.01
  4. Step 4: Simplify right side
    18,082.64x = 151,972,272.07
  5. Step 5: Solve for x
    x = 151,972,272.07/18,082.64
  6. Step 6: Final answer
    x = 8,404.32

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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.