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Finding the Fourth Proportional to 58,245.40, 87,230.94 and 38,474.92

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Solution

The fourth proportional to 58,245.40, 87,230.94 and 38,474.92 is: 57,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,245.40 : 87,230.94 = 38,474.92 : x
  2. Step 2: Convert to fraction form
    58,245.40/87,230.94 = 38,474.92/x
  3. Step 3: Cross multiply
    58,245.40x = 87,230.94 × 38,474.92
  4. Step 4: Simplify right side
    58,245.40x = 3,356,203,438.02
  5. Step 5: Solve for x
    x = 3,356,203,438.02/58,245.40
  6. Step 6: Final answer
    x = 57,621.78

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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.