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Finding the Fourth Proportional to 18,755.52, 25,938.48 and 16,762.92

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Solution

The fourth proportional to 18,755.52, 25,938.48 and 16,762.92 is: 23,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.52 : 25,938.48 = 16,762.92 : x
  2. Step 2: Convert to fraction form
    18,755.52/25,938.48 = 16,762.92/x
  3. Step 3: Cross multiply
    18,755.52x = 25,938.48 × 16,762.92
  4. Step 4: Simplify right side
    18,755.52x = 434,804,665.16
  5. Step 5: Solve for x
    x = 434,804,665.16/18,755.52
  6. Step 6: Final answer
    x = 23,182.76

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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.