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Finding the Fourth Proportional to 65,162.44, 97,695.82 and 20,763.64

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Solution

The fourth proportional to 65,162.44, 97,695.82 and 20,763.64 is: 31,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,162.44 : 97,695.82 = 20,763.64 : x
  2. Step 2: Convert to fraction form
    65,162.44/97,695.82 = 20,763.64/x
  3. Step 3: Cross multiply
    65,162.44x = 97,695.82 × 20,763.64
  4. Step 4: Simplify right side
    65,162.44x = 2,028,520,835.98
  5. Step 5: Solve for x
    x = 2,028,520,835.98/65,162.44
  6. Step 6: Final answer
    x = 31,130.22

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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.