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Finding the Fourth Proportional to 75,410.91, 113,112.81 and 25,493.00

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Solution

The fourth proportional to 75,410.91, 113,112.81 and 25,493.00 is: 38,238.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,410.91 : 113,112.81 = 25,493.00 : x
  2. Step 2: Convert to fraction form
    75,410.91/113,112.81 = 25,493.00/x
  3. Step 3: Cross multiply
    75,410.91x = 113,112.81 × 25,493.00
  4. Step 4: Simplify right side
    75,410.91x = 2,883,584,299.77
  5. Step 5: Solve for x
    x = 2,883,584,299.77/75,410.91
  6. Step 6: Final answer
    x = 38,238.29

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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.