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Finding the Fourth Proportional to 26,604.40, 39,887.40 and 14,921.20

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Solution

The fourth proportional to 26,604.40, 39,887.40 and 14,921.20 is: 22,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,604.40 : 39,887.40 = 14,921.20 : x
  2. Step 2: Convert to fraction form
    26,604.40/39,887.40 = 14,921.20/x
  3. Step 3: Cross multiply
    26,604.40x = 39,887.40 × 14,921.20
  4. Step 4: Simplify right side
    26,604.40x = 595,167,872.88
  5. Step 5: Solve for x
    x = 595,167,872.88/26,604.40
  6. Step 6: Final answer
    x = 22,371.03

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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.