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Finding the Fourth Proportional to 23,321.25, 34,985.39 and 7,520.99

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Solution

The fourth proportional to 23,321.25, 34,985.39 and 7,520.99 is: 11,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,321.25 : 34,985.39 = 7,520.99 : x
  2. Step 2: Convert to fraction form
    23,321.25/34,985.39 = 7,520.99/x
  3. Step 3: Cross multiply
    23,321.25x = 34,985.39 × 7,520.99
  4. Step 4: Simplify right side
    23,321.25x = 263,124,555.80
  5. Step 5: Solve for x
    x = 263,124,555.80/23,321.25
  6. Step 6: Final answer
    x = 11,282.61

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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.