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Finding the Fourth Proportional to 26,730.88, 36,889.92 and 16,123.92

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Solution

The fourth proportional to 26,730.88, 36,889.92 and 16,123.92 is: 22,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,730.88 : 36,889.92 = 16,123.92 : x
  2. Step 2: Convert to fraction form
    26,730.88/36,889.92 = 16,123.92/x
  3. Step 3: Cross multiply
    26,730.88x = 36,889.92 × 16,123.92
  4. Step 4: Simplify right side
    26,730.88x = 594,810,118.89
  5. Step 5: Solve for x
    x = 594,810,118.89/26,730.88
  6. Step 6: Final answer
    x = 22,251.80

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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.