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Finding the Fourth Proportional to 14,524.84, 21,788.07 and 4,135.78

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Solution

The fourth proportional to 14,524.84, 21,788.07 and 4,135.78 is: 6,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,524.84 : 21,788.07 = 4,135.78 : x
  2. Step 2: Convert to fraction form
    14,524.84/21,788.07 = 4,135.78/x
  3. Step 3: Cross multiply
    14,524.84x = 21,788.07 × 4,135.78
  4. Step 4: Simplify right side
    14,524.84x = 90,110,664.14
  5. Step 5: Solve for x
    x = 90,110,664.14/14,524.84
  6. Step 6: Final answer
    x = 6,203.90

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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.