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Finding the Fourth Proportional to 22,449.84, 33,687.72 and 12,455.52

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Solution

The fourth proportional to 22,449.84, 33,687.72 and 12,455.52 is: 18,690.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,449.84 : 33,687.72 = 12,455.52 : x
  2. Step 2: Convert to fraction form
    22,449.84/33,687.72 = 12,455.52/x
  3. Step 3: Cross multiply
    22,449.84x = 33,687.72 × 12,455.52
  4. Step 4: Simplify right side
    22,449.84x = 419,598,070.21
  5. Step 5: Solve for x
    x = 419,598,070.21/22,449.84
  6. Step 6: Final answer
    x = 18,690.47

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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.