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Finding the Fourth Proportional to 26,844.16, 40,261.20 and 9,310.40

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Solution

The fourth proportional to 26,844.16, 40,261.20 and 9,310.40 is: 13,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,844.16 : 40,261.20 = 9,310.40 : x
  2. Step 2: Convert to fraction form
    26,844.16/40,261.20 = 9,310.40/x
  3. Step 3: Cross multiply
    26,844.16x = 40,261.20 × 9,310.40
  4. Step 4: Simplify right side
    26,844.16x = 374,847,876.48
  5. Step 5: Solve for x
    x = 374,847,876.48/26,844.16
  6. Step 6: Final answer
    x = 13,963.85

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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.