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Finding the Fourth Proportional to 26,836.80, 40,258.80 and 11,250.72

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Solution

The fourth proportional to 26,836.80, 40,258.80 and 11,250.72 is: 16,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,836.80 : 40,258.80 = 11,250.72 : x
  2. Step 2: Convert to fraction form
    26,836.80/40,258.80 = 11,250.72/x
  3. Step 3: Cross multiply
    26,836.80x = 40,258.80 × 11,250.72
  4. Step 4: Simplify right side
    26,836.80x = 452,940,486.34
  5. Step 5: Solve for x
    x = 452,940,486.34/26,836.80
  6. Step 6: Final answer
    x = 16,877.59

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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.