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Finding the Fourth Proportional to 26,856.40, 37,053.30 and 16,245.40

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Solution

The fourth proportional to 26,856.40, 37,053.30 and 16,245.40 is: 22,413.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.40 : 37,053.30 = 16,245.40 : x
  2. Step 2: Convert to fraction form
    26,856.40/37,053.30 = 16,245.40/x
  3. Step 3: Cross multiply
    26,856.40x = 37,053.30 × 16,245.40
  4. Step 4: Simplify right side
    26,856.40x = 601,945,679.82
  5. Step 5: Solve for x
    x = 601,945,679.82/26,856.40
  6. Step 6: Final answer
    x = 22,413.49

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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.