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Finding the Fourth Proportional to 25,266.40, 37,899.60 and 22,447.60

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Solution

The fourth proportional to 25,266.40, 37,899.60 and 22,447.60 is: 33,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,266.40 : 37,899.60 = 22,447.60 : x
  2. Step 2: Convert to fraction form
    25,266.40/37,899.60 = 22,447.60/x
  3. Step 3: Cross multiply
    25,266.40x = 37,899.60 × 22,447.60
  4. Step 4: Simplify right side
    25,266.40x = 850,755,060.96
  5. Step 5: Solve for x
    x = 850,755,060.96/25,266.40
  6. Step 6: Final answer
    x = 33,671.40

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Similar ratio
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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.