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Finding the Fourth Proportional to 26,673.76, 40,010.62 and 8,205.76

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Solution

The fourth proportional to 26,673.76, 40,010.62 and 8,205.76 is: 12,308.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,673.76 : 40,010.62 = 8,205.76 : x
  2. Step 2: Convert to fraction form
    26,673.76/40,010.62 = 8,205.76/x
  3. Step 3: Cross multiply
    26,673.76x = 40,010.62 × 8,205.76
  4. Step 4: Simplify right side
    26,673.76x = 328,317,545.17
  5. Step 5: Solve for x
    x = 328,317,545.17/26,673.76
  6. Step 6: Final answer
    x = 12,308.63

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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.