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Finding the Fourth Proportional to 64,616.70, 96,895.88 and 23,064.78

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Solution

The fourth proportional to 64,616.70, 96,895.88 and 23,064.78 is: 34,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,616.70 : 96,895.88 = 23,064.78 : x
  2. Step 2: Convert to fraction form
    64,616.70/96,895.88 = 23,064.78/x
  3. Step 3: Cross multiply
    64,616.70x = 96,895.88 × 23,064.78
  4. Step 4: Simplify right side
    64,616.70x = 2,234,882,155.11
  5. Step 5: Solve for x
    x = 2,234,882,155.11/64,616.70
  6. Step 6: Final answer
    x = 34,586.76

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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.