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Finding the Fourth Proportional to 21,880.59, 32,825.75 and 8,029.59

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Solution

The fourth proportional to 21,880.59, 32,825.75 and 8,029.59 is: 12,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,880.59 : 32,825.75 = 8,029.59 : x
  2. Step 2: Convert to fraction form
    21,880.59/32,825.75 = 8,029.59/x
  3. Step 3: Cross multiply
    21,880.59x = 32,825.75 × 8,029.59
  4. Step 4: Simplify right side
    21,880.59x = 263,577,273.79
  5. Step 5: Solve for x
    x = 263,577,273.79/21,880.59
  6. Step 6: Final answer
    x = 12,046.17

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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.