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Finding the Fourth Proportional to 25,906.40, 38,917.20 and 24,927.20

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Solution

The fourth proportional to 25,906.40, 38,917.20 and 24,927.20 is: 37,446.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,906.40 : 38,917.20 = 24,927.20 : x
  2. Step 2: Convert to fraction form
    25,906.40/38,917.20 = 24,927.20/x
  3. Step 3: Cross multiply
    25,906.40x = 38,917.20 × 24,927.20
  4. Step 4: Simplify right side
    25,906.40x = 970,096,827.84
  5. Step 5: Solve for x
    x = 970,096,827.84/25,906.40
  6. Step 6: Final answer
    x = 37,446.22

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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.