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Finding the Fourth Proportional to 28,755.81, 39,471.02 and 25,541.73

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Solution

The fourth proportional to 28,755.81, 39,471.02 and 25,541.73 is: 35,059.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,755.81 : 39,471.02 = 25,541.73 : x
  2. Step 2: Convert to fraction form
    28,755.81/39,471.02 = 25,541.73/x
  3. Step 3: Cross multiply
    28,755.81x = 39,471.02 × 25,541.73
  4. Step 4: Simplify right side
    28,755.81x = 1,008,158,007.96
  5. Step 5: Solve for x
    x = 1,008,158,007.96/28,755.81
  6. Step 6: Final answer
    x = 35,059.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.