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Finding the Fourth Proportional to 18,502.97, 25,527.87 and 10,539.54

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Solution

The fourth proportional to 18,502.97, 25,527.87 and 10,539.54 is: 14,541.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502.97 : 25,527.87 = 10,539.54 : x
  2. Step 2: Convert to fraction form
    18,502.97/25,527.87 = 10,539.54/x
  3. Step 3: Cross multiply
    18,502.97x = 25,527.87 × 10,539.54
  4. Step 4: Simplify right side
    18,502.97x = 269,052,006.98
  5. Step 5: Solve for x
    x = 269,052,006.98/18,502.97
  6. Step 6: Final answer
    x = 14,541.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.