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Finding the Fourth Proportional to 17,628.98, 26,600.50 and 16,945.47

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Solution

The fourth proportional to 17,628.98, 26,600.50 and 16,945.47 is: 25,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.98 : 26,600.50 = 16,945.47 : x
  2. Step 2: Convert to fraction form
    17,628.98/26,600.50 = 16,945.47/x
  3. Step 3: Cross multiply
    17,628.98x = 26,600.50 × 16,945.47
  4. Step 4: Simplify right side
    17,628.98x = 450,757,995.92
  5. Step 5: Solve for x
    x = 450,757,995.92/17,628.98
  6. Step 6: Final answer
    x = 25,569.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.