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Finding the Fourth Proportional to 14,481.54, 21,726.04 and 8,482.68

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Solution

The fourth proportional to 14,481.54, 21,726.04 and 8,482.68 is: 12,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.54 : 21,726.04 = 8,482.68 : x
  2. Step 2: Convert to fraction form
    14,481.54/21,726.04 = 8,482.68/x
  3. Step 3: Cross multiply
    14,481.54x = 21,726.04 × 8,482.68
  4. Step 4: Simplify right side
    14,481.54x = 184,295,044.99
  5. Step 5: Solve for x
    x = 184,295,044.99/14,481.54
  6. Step 6: Final answer
    x = 12,726.20

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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.