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Finding the Fourth Proportional to 58,239.87, 87,324.53 and 37,991.76

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Solution

The fourth proportional to 58,239.87, 87,324.53 and 37,991.76 is: 56,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,239.87 : 87,324.53 = 37,991.76 : x
  2. Step 2: Convert to fraction form
    58,239.87/87,324.53 = 37,991.76/x
  3. Step 3: Cross multiply
    58,239.87x = 87,324.53 × 37,991.76
  4. Step 4: Simplify right side
    58,239.87x = 3,317,612,585.87
  5. Step 5: Solve for x
    x = 3,317,612,585.87/58,239.87
  6. Step 6: Final answer
    x = 56,964.63

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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.