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Finding the Fourth Proportional to 70,099.56, 96,738.71 and 38,269.67

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Solution

The fourth proportional to 70,099.56, 96,738.71 and 38,269.67 is: 52,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,099.56 : 96,738.71 = 38,269.67 : x
  2. Step 2: Convert to fraction form
    70,099.56/96,738.71 = 38,269.67/x
  3. Step 3: Cross multiply
    70,099.56x = 96,738.71 × 38,269.67
  4. Step 4: Simplify right side
    70,099.56x = 3,702,157,832.88
  5. Step 5: Solve for x
    x = 3,702,157,832.88/70,099.56
  6. Step 6: Final answer
    x = 52,812.85

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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.