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Finding the Fourth Proportional to 75,713.58, 113,463.21 and 41,994.45

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Solution

The fourth proportional to 75,713.58, 113,463.21 and 41,994.45 is: 62,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,713.58 : 113,463.21 = 41,994.45 : x
  2. Step 2: Convert to fraction form
    75,713.58/113,463.21 = 41,994.45/x
  3. Step 3: Cross multiply
    75,713.58x = 113,463.21 × 41,994.45
  4. Step 4: Simplify right side
    75,713.58x = 4,764,825,099.18
  5. Step 5: Solve for x
    x = 4,764,825,099.18/75,713.58
  6. Step 6: Final answer
    x = 62,932.24

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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.