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Finding the Fourth Proportional to 18,552.23, 27,831.08 and 6,706.89

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Solution

The fourth proportional to 18,552.23, 27,831.08 and 6,706.89 is: 10,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.23 : 27,831.08 = 6,706.89 : x
  2. Step 2: Convert to fraction form
    18,552.23/27,831.08 = 6,706.89/x
  3. Step 3: Cross multiply
    18,552.23x = 27,831.08 × 6,706.89
  4. Step 4: Simplify right side
    18,552.23x = 186,659,992.14
  5. Step 5: Solve for x
    x = 186,659,992.14/18,552.23
  6. Step 6: Final answer
    x = 10,061.32

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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.