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Finding the Fourth Proportional to 26,827.20, 40,255.20 and 11,246.40

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Solution

The fourth proportional to 26,827.20, 40,255.20 and 11,246.40 is: 16,875.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,827.20 : 40,255.20 = 11,246.40 : x
  2. Step 2: Convert to fraction form
    26,827.20/40,255.20 = 11,246.40/x
  3. Step 3: Cross multiply
    26,827.20x = 40,255.20 × 11,246.40
  4. Step 4: Simplify right side
    26,827.20x = 452,726,081.28
  5. Step 5: Solve for x
    x = 452,726,081.28/26,827.20
  6. Step 6: Final answer
    x = 16,875.64

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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.