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Finding the Fourth Proportional to 25,216.60, 37,824.90 and 16,922.20

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Solution

The fourth proportional to 25,216.60, 37,824.90 and 16,922.20 is: 25,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,216.60 : 37,824.90 = 16,922.20 : x
  2. Step 2: Convert to fraction form
    25,216.60/37,824.90 = 16,922.20/x
  3. Step 3: Cross multiply
    25,216.60x = 37,824.90 × 16,922.20
  4. Step 4: Simplify right side
    25,216.60x = 640,080,522.78
  5. Step 5: Solve for x
    x = 640,080,522.78/25,216.60
  6. Step 6: Final answer
    x = 25,383.30

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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.