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Finding the Fourth Proportional to 41,879.21, 62,828.08 and 13,798.13

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Solution

The fourth proportional to 41,879.21, 62,828.08 and 13,798.13 is: 20,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,879.21 : 62,828.08 = 13,798.13 : x
  2. Step 2: Convert to fraction form
    41,879.21/62,828.08 = 13,798.13/x
  3. Step 3: Cross multiply
    41,879.21x = 62,828.08 × 13,798.13
  4. Step 4: Simplify right side
    41,879.21x = 866,910,015.49
  5. Step 5: Solve for x
    x = 866,910,015.49/41,879.21
  6. Step 6: Final answer
    x = 20,700.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.