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Finding the Fourth Proportional to 26,909.43, 40,616.90 and 26,909.43

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Solution

The fourth proportional to 26,909.43, 40,616.90 and 26,909.43 is: 40,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.43 : 40,616.90 = 26,909.43 : x
  2. Step 2: Convert to fraction form
    26,909.43/40,616.90 = 26,909.43/x
  3. Step 3: Cross multiply
    26,909.43x = 40,616.90 × 26,909.43
  4. Step 4: Simplify right side
    26,909.43x = 1,092,977,632.05
  5. Step 5: Solve for x
    x = 1,092,977,632.05/26,909.43
  6. Step 6: Final answer
    x = 40,616.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.