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Finding the Fourth Proportional to 43,253.07, 64,919.70 and 26,645.54

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Solution

The fourth proportional to 43,253.07, 64,919.70 and 26,645.54 is: 39,993.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,253.07 : 64,919.70 = 26,645.54 : x
  2. Step 2: Convert to fraction form
    43,253.07/64,919.70 = 26,645.54/x
  3. Step 3: Cross multiply
    43,253.07x = 64,919.70 × 26,645.54
  4. Step 4: Simplify right side
    43,253.07x = 1,729,820,138.54
  5. Step 5: Solve for x
    x = 1,729,820,138.54/43,253.07
  6. Step 6: Final answer
    x = 39,993.00

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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.