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Finding the Fourth Proportional to 26,760.70, 36,930.80 and 14,823.80

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Solution

The fourth proportional to 26,760.70, 36,930.80 and 14,823.80 is: 20,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,760.70 : 36,930.80 = 14,823.80 : x
  2. Step 2: Convert to fraction form
    26,760.70/36,930.80 = 14,823.80/x
  3. Step 3: Cross multiply
    26,760.70x = 36,930.80 × 14,823.80
  4. Step 4: Simplify right side
    26,760.70x = 547,454,645.45
  5. Step 5: Solve for x
    x = 547,454,645.45/26,760.70
  6. Step 6: Final answer
    x = 20,457.41

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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.