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Finding the Fourth Proportional to 18,164.73, 27,247.43 and 5,017.45

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Solution

The fourth proportional to 18,164.73, 27,247.43 and 5,017.45 is: 7,526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.73 : 27,247.43 = 5,017.45 : x
  2. Step 2: Convert to fraction form
    18,164.73/27,247.43 = 5,017.45/x
  3. Step 3: Cross multiply
    18,164.73x = 27,247.43 × 5,017.45
  4. Step 4: Simplify right side
    18,164.73x = 136,712,617.65
  5. Step 5: Solve for x
    x = 136,712,617.65/18,164.73
  6. Step 6: Final answer
    x = 7,526.27

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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.