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Finding the Fourth Proportional to 27,274.80, 40,912.20 and 26,108.40

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Solution

The fourth proportional to 27,274.80, 40,912.20 and 26,108.40 is: 39,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,274.80 : 40,912.20 = 26,108.40 : x
  2. Step 2: Convert to fraction form
    27,274.80/40,912.20 = 26,108.40/x
  3. Step 3: Cross multiply
    27,274.80x = 40,912.20 × 26,108.40
  4. Step 4: Simplify right side
    27,274.80x = 1,068,152,082.48
  5. Step 5: Solve for x
    x = 1,068,152,082.48/27,274.80
  6. Step 6: Final answer
    x = 39,162.60

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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.