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Finding the Fourth Proportional to 26,823.30, 40,234.95 and 16,440.90

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Solution

The fourth proportional to 26,823.30, 40,234.95 and 16,440.90 is: 24,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,823.30 : 40,234.95 = 16,440.90 : x
  2. Step 2: Convert to fraction form
    26,823.30/40,234.95 = 16,440.90/x
  3. Step 3: Cross multiply
    26,823.30x = 40,234.95 × 16,440.90
  4. Step 4: Simplify right side
    26,823.30x = 661,498,789.46
  5. Step 5: Solve for x
    x = 661,498,789.46/26,823.30
  6. Step 6: Final answer
    x = 24,661.35

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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.