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Finding the Fourth Proportional to 18,007.51, 27,014.43 and 6,158.49

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Solution

The fourth proportional to 18,007.51, 27,014.43 and 6,158.49 is: 9,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,007.51 : 27,014.43 = 6,158.49 : x
  2. Step 2: Convert to fraction form
    18,007.51/27,014.43 = 6,158.49/x
  3. Step 3: Cross multiply
    18,007.51x = 27,014.43 × 6,158.49
  4. Step 4: Simplify right side
    18,007.51x = 166,368,097.01
  5. Step 5: Solve for x
    x = 166,368,097.01/18,007.51
  6. Step 6: Final answer
    x = 9,238.82

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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.