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Finding the Fourth Proportional to 25,308.90, 37,963.35 and 22,392.90

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Solution

The fourth proportional to 25,308.90, 37,963.35 and 22,392.90 is: 33,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,308.90 : 37,963.35 = 22,392.90 : x
  2. Step 2: Convert to fraction form
    25,308.90/37,963.35 = 22,392.90/x
  3. Step 3: Cross multiply
    25,308.90x = 37,963.35 × 22,392.90
  4. Step 4: Simplify right side
    25,308.90x = 850,109,500.22
  5. Step 5: Solve for x
    x = 850,109,500.22/25,308.90
  6. Step 6: Final answer
    x = 33,589.35

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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.