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Finding the Fourth Proportional to 12,249.53, 16,898.45 and 7,532.09

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Solution

The fourth proportional to 12,249.53, 16,898.45 and 7,532.09 is: 10,390.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.53 : 16,898.45 = 7,532.09 : x
  2. Step 2: Convert to fraction form
    12,249.53/16,898.45 = 7,532.09/x
  3. Step 3: Cross multiply
    12,249.53x = 16,898.45 × 7,532.09
  4. Step 4: Simplify right side
    12,249.53x = 127,280,524.11
  5. Step 5: Solve for x
    x = 127,280,524.11/12,249.53
  6. Step 6: Final answer
    x = 10,390.65

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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.