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Finding the Fourth Proportional to 25,218.80, 37,828.20 and 22,497.20

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Solution

The fourth proportional to 25,218.80, 37,828.20 and 22,497.20 is: 33,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.80 : 37,828.20 = 22,497.20 : x
  2. Step 2: Convert to fraction form
    25,218.80/37,828.20 = 22,497.20/x
  3. Step 3: Cross multiply
    25,218.80x = 37,828.20 × 22,497.20
  4. Step 4: Simplify right side
    25,218.80x = 851,028,581.04
  5. Step 5: Solve for x
    x = 851,028,581.04/25,218.80
  6. Step 6: Final answer
    x = 33,745.80

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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.