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Finding the Fourth Proportional to 27,192.90, 40,783.40 and 7,469.40

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Solution

The fourth proportional to 27,192.90, 40,783.40 and 7,469.40 is: 11,202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,192.90 : 40,783.40 = 7,469.40 : x
  2. Step 2: Convert to fraction form
    27,192.90/40,783.40 = 7,469.40/x
  3. Step 3: Cross multiply
    27,192.90x = 40,783.40 × 7,469.40
  4. Step 4: Simplify right side
    27,192.90x = 304,627,527.96
  5. Step 5: Solve for x
    x = 304,627,527.96/27,192.90
  6. Step 6: Final answer
    x = 11,202.47

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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.