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Finding the Fourth Proportional to 38,742.92, 58,118.88 and 16,558.88

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Solution

The fourth proportional to 38,742.92, 58,118.88 and 16,558.88 is: 24,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742.92 : 58,118.88 = 16,558.88 : x
  2. Step 2: Convert to fraction form
    38,742.92/58,118.88 = 16,558.88/x
  3. Step 3: Cross multiply
    38,742.92x = 58,118.88 × 16,558.88
  4. Step 4: Simplify right side
    38,742.92x = 962,383,559.65
  5. Step 5: Solve for x
    x = 962,383,559.65/38,742.92
  6. Step 6: Final answer
    x = 24,840.24

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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.