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Finding the Fourth Proportional to 65,847.96, 98,794.13 and 20,876.67

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Solution

The fourth proportional to 65,847.96, 98,794.13 and 20,876.67 is: 31,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,847.96 : 98,794.13 = 20,876.67 : x
  2. Step 2: Convert to fraction form
    65,847.96/98,794.13 = 20,876.67/x
  3. Step 3: Cross multiply
    65,847.96x = 98,794.13 × 20,876.67
  4. Step 4: Simplify right side
    65,847.96x = 2,062,492,345.56
  5. Step 5: Solve for x
    x = 2,062,492,345.56/65,847.96
  6. Step 6: Final answer
    x = 31,322.04

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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.