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Finding the Fourth Proportional to 18,019.34, 27,010.46 and 6,923.02

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Solution

The fourth proportional to 18,019.34, 27,010.46 and 6,923.02 is: 10,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.34 : 27,010.46 = 6,923.02 : x
  2. Step 2: Convert to fraction form
    18,019.34/27,010.46 = 6,923.02/x
  3. Step 3: Cross multiply
    18,019.34x = 27,010.46 × 6,923.02
  4. Step 4: Simplify right side
    18,019.34x = 186,993,954.79
  5. Step 5: Solve for x
    x = 186,993,954.79/18,019.34
  6. Step 6: Final answer
    x = 10,377.40

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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.