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Finding the Fourth Proportional to 25,571.54, 38,343.26 and 8,927.12

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Solution

The fourth proportional to 25,571.54, 38,343.26 and 8,927.12 is: 13,385.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571.54 : 38,343.26 = 8,927.12 : x
  2. Step 2: Convert to fraction form
    25,571.54/38,343.26 = 8,927.12/x
  3. Step 3: Cross multiply
    25,571.54x = 38,343.26 × 8,927.12
  4. Step 4: Simplify right side
    25,571.54x = 342,294,883.21
  5. Step 5: Solve for x
    x = 342,294,883.21/25,571.54
  6. Step 6: Final answer
    x = 13,385.78

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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.