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Finding the Fourth Proportional to 26,595.18, 39,892.59 and 8,127.18

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Solution

The fourth proportional to 26,595.18, 39,892.59 and 8,127.18 is: 12,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,595.18 : 39,892.59 = 8,127.18 : x
  2. Step 2: Convert to fraction form
    26,595.18/39,892.59 = 8,127.18/x
  3. Step 3: Cross multiply
    26,595.18x = 39,892.59 × 8,127.18
  4. Step 4: Simplify right side
    26,595.18x = 324,214,259.60
  5. Step 5: Solve for x
    x = 324,214,259.60/26,595.18
  6. Step 6: Final answer
    x = 12,190.71

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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.