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Finding the Fourth Proportional to 18,554.65, 27,813.34 and 9,201.45

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Solution

The fourth proportional to 18,554.65, 27,813.34 and 9,201.45 is: 13,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554.65 : 27,813.34 = 9,201.45 : x
  2. Step 2: Convert to fraction form
    18,554.65/27,813.34 = 9,201.45/x
  3. Step 3: Cross multiply
    18,554.65x = 27,813.34 × 9,201.45
  4. Step 4: Simplify right side
    18,554.65x = 255,923,057.34
  5. Step 5: Solve for x
    x = 255,923,057.34/18,554.65
  6. Step 6: Final answer
    x = 13,792.93

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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.