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Finding the Fourth Proportional to 14,249.44, 19,662.91 and 8,935.03

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Solution

The fourth proportional to 14,249.44, 19,662.91 and 8,935.03 is: 12,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.44 : 19,662.91 = 8,935.03 : x
  2. Step 2: Convert to fraction form
    14,249.44/19,662.91 = 8,935.03/x
  3. Step 3: Cross multiply
    14,249.44x = 19,662.91 × 8,935.03
  4. Step 4: Simplify right side
    14,249.44x = 175,688,690.74
  5. Step 5: Solve for x
    x = 175,688,690.74/14,249.44
  6. Step 6: Final answer
    x = 12,329.52

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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.