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Finding the Fourth Proportional to 58,993.20, 81,464.64 and 37,489.92

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Solution

The fourth proportional to 58,993.20, 81,464.64 and 37,489.92 is: 51,770.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,993.20 : 81,464.64 = 37,489.92 : x
  2. Step 2: Convert to fraction form
    58,993.20/81,464.64 = 37,489.92/x
  3. Step 3: Cross multiply
    58,993.20x = 81,464.64 × 37,489.92
  4. Step 4: Simplify right side
    58,993.20x = 3,054,102,836.43
  5. Step 5: Solve for x
    x = 3,054,102,836.43/58,993.20
  6. Step 6: Final answer
    x = 51,770.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.