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Finding the Fourth Proportional to 26,444.40, 39,731.40 and 19,883.40

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Solution

The fourth proportional to 26,444.40, 39,731.40 and 19,883.40 is: 29,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,444.40 : 39,731.40 = 19,883.40 : x
  2. Step 2: Convert to fraction form
    26,444.40/39,731.40 = 19,883.40/x
  3. Step 3: Cross multiply
    26,444.40x = 39,731.40 × 19,883.40
  4. Step 4: Simplify right side
    26,444.40x = 789,995,318.76
  5. Step 5: Solve for x
    x = 789,995,318.76/26,444.40
  6. Step 6: Final answer
    x = 29,873.82

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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.