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Finding the Fourth Proportional to 26,957, 37,201.38 and 15,020.84

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Solution

The fourth proportional to 26,957, 37,201.38 and 15,020.84 is: 20,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,957 : 37,201.38 = 15,020.84 : x
  2. Step 2: Convert to fraction form
    26,957/37,201.38 = 15,020.84/x
  3. Step 3: Cross multiply
    26,957x = 37,201.38 × 15,020.84
  4. Step 4: Simplify right side
    26,957x = 558,795,976.76
  5. Step 5: Solve for x
    x = 558,795,976.76/26,957
  6. Step 6: Final answer
    x = 20,729.16

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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.