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Finding the Fourth Proportional to 17,562.78, 26,218.98 and 16,947.54

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Solution

The fourth proportional to 17,562.78, 26,218.98 and 16,947.54 is: 25,300.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,562.78 : 26,218.98 = 16,947.54 : x
  2. Step 2: Convert to fraction form
    17,562.78/26,218.98 = 16,947.54/x
  3. Step 3: Cross multiply
    17,562.78x = 26,218.98 × 16,947.54
  4. Step 4: Simplify right side
    17,562.78x = 444,347,212.31
  5. Step 5: Solve for x
    x = 444,347,212.31/17,562.78
  6. Step 6: Final answer
    x = 25,300.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.