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Finding the Fourth Proportional to 27,270.80, 40,906.20 and 26,104.40

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Solution

The fourth proportional to 27,270.80, 40,906.20 and 26,104.40 is: 39,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,270.80 : 40,906.20 = 26,104.40 : x
  2. Step 2: Convert to fraction form
    27,270.80/40,906.20 = 26,104.40/x
  3. Step 3: Cross multiply
    27,270.80x = 40,906.20 × 26,104.40
  4. Step 4: Simplify right side
    27,270.80x = 1,067,831,807.28
  5. Step 5: Solve for x
    x = 1,067,831,807.28/27,270.80
  6. Step 6: Final answer
    x = 39,156.60

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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.