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Finding the Fourth Proportional to 76,399.72, 114,599.24 and 23,809.24

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Solution

The fourth proportional to 76,399.72, 114,599.24 and 23,809.24 is: 35,713.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,399.72 : 114,599.24 = 23,809.24 : x
  2. Step 2: Convert to fraction form
    76,399.72/114,599.24 = 23,809.24/x
  3. Step 3: Cross multiply
    76,399.72x = 114,599.24 × 23,809.24
  4. Step 4: Simplify right side
    76,399.72x = 2,728,520,808.98
  5. Step 5: Solve for x
    x = 2,728,520,808.98/76,399.72
  6. Step 6: Final answer
    x = 35,713.75

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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.