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Finding the Fourth Proportional to 24,557.60, 33,982.80 and 21,252.80

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Solution

The fourth proportional to 24,557.60, 33,982.80 and 21,252.80 is: 29,409.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,557.60 : 33,982.80 = 21,252.80 : x
  2. Step 2: Convert to fraction form
    24,557.60/33,982.80 = 21,252.80/x
  3. Step 3: Cross multiply
    24,557.60x = 33,982.80 × 21,252.80
  4. Step 4: Simplify right side
    24,557.60x = 722,229,651.84
  5. Step 5: Solve for x
    x = 722,229,651.84/24,557.60
  6. Step 6: Final answer
    x = 29,409.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.