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Finding the Fourth Proportional to 63,599.78, 95,399.67 and 21,479.99

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Solution

The fourth proportional to 63,599.78, 95,399.67 and 21,479.99 is: 32,219.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,599.78 : 95,399.67 = 21,479.99 : x
  2. Step 2: Convert to fraction form
    63,599.78/95,399.67 = 21,479.99/x
  3. Step 3: Cross multiply
    63,599.78x = 95,399.67 × 21,479.99
  4. Step 4: Simplify right side
    63,599.78x = 2,049,183,561.15
  5. Step 5: Solve for x
    x = 2,049,183,561.15/63,599.78
  6. Step 6: Final answer
    x = 32,219.98

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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.