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Finding the Fourth Proportional to 40,390.92, 60,596.64 and 14,096.16

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Solution

The fourth proportional to 40,390.92, 60,596.64 and 14,096.16 is: 21,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390.92 : 60,596.64 = 14,096.16 : x
  2. Step 2: Convert to fraction form
    40,390.92/60,596.64 = 14,096.16/x
  3. Step 3: Cross multiply
    40,390.92x = 60,596.64 × 14,096.16
  4. Step 4: Simplify right side
    40,390.92x = 854,179,932.90
  5. Step 5: Solve for x
    x = 854,179,932.90/40,390.92
  6. Step 6: Final answer
    x = 21,147.82

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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.