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Finding the Fourth Proportional to 58,450.92, 80,609.29 and 38,300.41

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Solution

The fourth proportional to 58,450.92, 80,609.29 and 38,300.41 is: 52,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,450.92 : 80,609.29 = 38,300.41 : x
  2. Step 2: Convert to fraction form
    58,450.92/80,609.29 = 38,300.41/x
  3. Step 3: Cross multiply
    58,450.92x = 80,609.29 × 38,300.41
  4. Step 4: Simplify right side
    58,450.92x = 3,087,368,856.81
  5. Step 5: Solve for x
    x = 3,087,368,856.81/58,450.92
  6. Step 6: Final answer
    x = 52,819.85

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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.